wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Biology: Variation and Classification

Total questions: 167

Worksheet time: 2hrs 6mins

Name
Class
Date
1.
Which one of the following shows discontinuous variation?
a)
Eye colour
b)
Height
c)
Strength
d)
Weight
2.
Which one of the following shows continuous variation?
a)
Blood group
b)
Height
c)
Male or female
d)
Tongue rolling
3.
Which one of the following is an environmental variation?
a)
Attached ear lobes
b)
Eye colour
c)
Male or female
d)
Short hair
4.
What type of graph do we use for discontinuous variation?
a)
A bell-shape
b)
Bar chart
c)
Line graph
d)
Scatter Graph
5.
What shape graph do you see for many examples of continuous variation?
a)
A straight line downwards
b)
A straight line upwards
c)
A bell-shape
d)
A flat line
6.

Which type of data would student height be categorized as?

a)

Categorical

b)

Continuous

c)

Discontinuous

d)

Normal

7.

Student eye colour could be considered what type of data

a)

Discontinuous

b)

Independent

c)

Continuous

d)

Colours

8.
Which of these is an example of inherited variation only?
a)
Eye colour 
b)
Height 
c)
Weight 
d)
Skin colour 
9.
Differences between members of the same species are called
a)
predators
b)
traits
c)
selections
d)
variations
10.
Which of the following is an example of Inherited variation?
a)
Eye colour
b)
Blood type
c)
Skin colour
d)
All of the above
11.
Which of the following is an example of discontinuous variation?
a)
Weight
b)
blood type
c)
height
d)
Hand span
12.
Which of the following is an example of continuous variation?
a)
hair colour
b)
height
c)
eye colour
d)
Gender
13.

What characteristic does "survival of the fittest" need for survival of a species.

a)

Genetic Variation

b)

Speed

c)

Beak shape

d)

Biodiversity

14.

Darwin found the following finches on the Galapagos islands. What best describes why they have different beaks?

a)

Genetic variation has made it possible for birds to feed on different forms of food due to their beak shape.

b)

Genetic variation has made it possible for larger eyes on the birds to see.

c)

Genetic variation has made it possible for the birds to camouflage themselves on the island.

d)

Genetic has made it possible for the birds to feed at different times of the day due to competition.

15.

Success of an organism to survive is determined by which characteristic.

a)

Dominates environment

b)

Useful to humans

c)

Surviving harsh conditions

d)

Passing genes onto offspring

16.

Which characteristic will help a crop to survive a sudden disease.

a)

Spraying pesticides

b)

Clone of other similar plants

c)

Genetic Variation due to genetic engineering

d)

Genetic modified to grow in sunlight

17.

What is the purpose of the biological classification system?

a)

Organize living things based on their mates.

b)

Organize living things based on similarities.

c)

Organize living things based on where they live.

d)

Organize living things based on their behaviors.

18.

Cats, dogs, humans, wales, birds and bats all have the same bones in their arms, wings and fins. How do we use this to support the "Theory of Evolution?"

a)

Evidence they evolved from a common ancestor.

b)

Evidence they evolved separately from each other.

c)

Evidence they all evolved on different continents.

d)

Evidence they all came from the same mom.

19.
A mutation is?
a)
Any change in DNA
b)
Any change in RNA
c)
Any change in the genetic code
20.

Natural selection requires which of the following?

a)

Variations in DNA

b)

Competition

c)

Survival of the Fittest

d)

High allele frequency

21.

What is the term for a feature that allows an organism to survive better in its environemtn?

a)

variation

b)

adaptation

c)

homologous structure

d)

vestigial structure

22.

What is the variation shown here?

a)

height of flight

b)

types of beaks

c)

habitat

d)

size

23.

Based on the picture, what are these birds competing over?

a)

food

b)

water

c)

shelter

d)

predators

24.

Tulips, daisies, sunflowers, apple trees, maple trees

a)

mosses

b)

ferns

c)

conifers

d)

flowering plants

25.

Spruce, Ginkgo, Fir, and Pine trees

a)

mosses

b)

ferns

c)

conifers

d)

flowering plants

26.

The process by which plants make food

a)

Photosynthesis

b)

phototropism

c)

embryo

d)

seeds

27.

Mosses and ferns are seedless so they reproduce by

a)

cones

b)

flowers

c)

spores

d)

pollen

28.

This group of plants has true roots and stems. They reproduce with spores under their fronds.

a)

mosses

b)

ferns

c)

conifers

d)

algae

29.

Which group does NOT have roots?

a)

mosses

b)

ferns

c)

conifers

d)

flowering plants

30.

Which two groups that reproduced by making seeds?

a)

Flowering plants

b)

Algae

c)

Ferns

d)

Conifers

31.

What is variation in species?

a)

The offspring is identical to their parents

b)

The offspring and parents do not have any identical features

c)

The offspring is slightly different with their parents

32.

What is continuous variation?

a)

A feature shows small distinct conditions in the individuals in a population.

b)

A feature may be varied by only a small amount from one individual to another in a population.

33.

What is discontinuous variation?

a)

A feature shows small distinct conditions in the individuals in a population.

b)

A feature may be varied by only a small amount from one individual to another in a population.

34.

Height, body mass and foot length are the examples of ______

a)

Continuous variation

b)

Discontinuous variation

35.

Blood type, gender and eye colour are the examples of ______

a)

Continuous variation

b)

Discontinuous variation

36.

Which variation is affected by the envronment?

a)

Continuous variation

b)

Discontinuous variation

37.

Conversely, not all of today’s living species were alive in the past. Evidence of this is also found in the form of __________.

a)

Rocks

b)

Bones

c)

Fossils

d)

Soil

38.

An inability to adapt to environmental changes can lead to death of all members of a species. This is called _______________________.

a)

Expatriation

b)

Examination

c)

Extermination

d)

Extinction

39.

Differences that are passed from parent to offspring

a)

Variation

b)

Inherited Variation

c)

Adaptation

d)

Competition

40.

Group of individuals in the same species from the same area

a)

Variation

b)

Evolution

c)

Species

d)

Population

41.

Evolution is....

a)

Process by which individuals are better suited to their environment survive and reproduce most successfully

b)

The existence within a species or other group of organisms of differences in form, function, or behavior, especially when hereditary

c)

Change in an organism over time; process by which modern organisms have descended from ancient organisms

d)

A symbiotic relationship between or among living things that fight for limited resources, such as food, space, shelter, mates, ecological status, etc.

42.

Individuals that are better suited to their environment survive and reproduce most successfully​- then they pass on their beneficial genes

a)

Competition

b)

Adaptation

c)

Survival of the Fittest

d)

Fitness

43.

Adaptations are...

a)

the ability of an organism to survive and reproduce in its environment

b)

A symbiotic relationship between or among living things that fight for limited resources, such as food, space, shelter, mates, ecological status, etc.

c)

Change in an organism over time; process by which modern organisms have descended from ancient organisms

d)

Inherited characteristics that increases an organism's chance of survival

44.

Process by which individuals are better suited to their environment survive and reproduce most successfully

a)

Evolution

b)

Variation

c)

Natural Selection

d)

Competition

45.

Variation is..

a)

Process by which individuals are better suited to their environment survive and reproduce most successfully

b)

The existence within a species or other group of organisms of differences in form, function, or behavior, especially when hereditary

c)

Inherited characteristics that increase an organism's chance of survival

d)

A symbiotic relationship between or among living things that fight for limited resources, such as food, space, shelter, mates, ecological status, etc.

46.

Select all of the cell types that have DNA that is bound in a nuclear membrane.

a)

animal cell

b)

plant cell

c)

prokaryotic cell

d)

protist cell

47.

The scientific name for a human is Homo sapiens. Select the two levels of classification this name represents.

a)

family

b)

order

c)

species

d)

phylum

e)

genus

48.

Group of organisms that all share the same characteristics.

a)

Family

b)

Species

c)

Order

d)

Kingdom

49.

A species is a group of organisms with the same ...............

a)

colour

b)

size

c)

features

d)

appearance

50.

Organisms that belong to the same species can .......... with each other.

a)

interact

b)

fight

c)

breed

51.

When organisms of the same species breed together they will have ......................

a)

sons and daughters

b)

offspring

c)

children

52.

When organisms of the same species breed together, their offspring, sometimes, belong to an other species.

a)

True

b)

False

53.

Organisms that belong to different species cannot usually breed with each other

a)

True

b)

False

54.

Occasionally two organisms form different species do breed with each other. Their offspring are ................... of the two species.

a)

hybrids

b)

mixture

c)

combination

55.

The term biodiversity refers to

a)

the variety of species on Earth

b)

the extinction of the dinosaurs.

c)

habitat destruction, invasive exotic species, and poaching.

d)

the fact that 40 percent of prescription

drugs come from living things

56.

External supporting and protective framework of an organism

a)

Exoskeleton

b)

Endoskeleton

57.

animal that does not have a backbone

a)

Vertebrate

b)

Invertebrate

c)

Notochord

d)

Exoskeleton

58.

organism, such as a frog, toad, and salamander, that spends part of its life in water and part on land

a)

Arthropod

b)

Echinoderm

c)

Amphibian

d)

Chordate

59.

Which of the following is NOT an invertebrate?

a)

Amphibians

b)

Spiders

c)

Shrimp

d)

Jellyfish

60.

small, flat plate that forms part of an animal’s external covering

a)

Exoskeleton

b)

Chordate

c)

Scale

d)

Notochord

61.

Which animal is NOT cold-blooded?

a)

a fish

b)

a mammal

c)

a reptile

d)

an amphibian

62.

Animals that have backbones.

a)

vertebrates

b)

invertebrates

c)

insects

d)

jellyfish

63.

Cold-blooded animals body temperature changes, whereas warm-blooded animals body temperature stays constant.

a)

True

b)

False

64.

Choose the animal that is a vertebrate.

a)
b)
c)
d)
65.

What is the similarity between salamander and clownfish ?

a)

Both are covered with moist skin

b)

Both are poikilothermic

c)

Both undergo internal fertilisation

d)

Both live on land

66.

Which of the following animals are warm-blooded?

a)

Tortoise, snake, frog

b)

Snake, bat, turtle

c)

Bat, pigeon, deer

d)

Whale, snake, frog

67.

An animal that has moist skin and no scales.

a)

amphibian

b)

mammal

c)

reptile

d)

fish

68.

Which of the following vertebrates carries out external fertilisation ?

a)

Turtle

b)

Snake

c)

Whale

d)

Frog

69.

What does invertebrate mean?

a)

Animals without a backbone

b)

Animals that change their form

c)

Animals with a backbone

d)

Animals that lay eggs

70.

An animal has fur and feeds milk to its young. How should this animal be classified?

a)

As an invertebrate

b)

As an amphibian

c)

As a mammal

d)

As a reptile

71.

How do scientists classify humans?

a)

As vertebrates and as amphibians

b)

As invertebrates and as mammals

c)

As vertebrates and as mammals

d)

As vascular and as mammals

72.

A student develops a model for grouping animals that she observes in a park.

What are MOST LIKELY the names of the animal groups?

a)

fish and reptiles

b)

reptiles and birds

c)

fish and mammals

d)

reptiles and amphibians

73.

A student draws three animals.

Which characteristics can the student use to classify the animals?

a)

no backbone, live in water, lay eggs

b)

backbone, live on land, breathe with lungs

c)

no backbone, scales on skin, breathe with gills

d)

backbone, smooth skin, breathe with gills and lungs

74.

A student sorts animals into groups. He draws the animals in one group.

Which animal should the student remove from this group?

a)

fox

b)

bear

c)

hawk

d)

mouse

75.

Which features can a scientist use to identify an amphibian? Select 3

a)

has a backbone

b)

has no backbone

c)

has smooth, moist skin

d)

has scales or plates on skin

e)

breathes first with gills and then with lungs

76.

A student finds the following animals in his garden: frog, snake, snail, and lizard.

He classifies the snail in one group and the other animals in a second group.

Which are the student's groups?

a)

amphibians, reptiles

b)

invertebrates, reptiles

c)

invertebrates, vertebrates

d)

animals with gills, animals with lungs

77.
Which animal is a bird?
Animal 1: backbone/feathers/warm-blooded
Animal 2: backbone/scales/gills/cold-blooded
Animal 3: cold-blooded
Animal 4: backbone/hair
a)
Animal 1
b)
Animal 2
c)
Animal 3
d)
Animal 4
78.
Asia keeps seeing a small animal in her backyard.  She observed the animal has a backbone, four legs and a long tail, and its body is covered with scales.  What is the classification for this animal?
a)
bird
b)
mammal
c)
reptile
d)
amphibian
79.

In which animal group are humans classified?

a)

birds

b)

amphibians

c)

mammals

d)

reptiles

80.

Which one of these organisms is a reptile?

a)

Hawk

b)

Grasshopper

c)

Mushroom

d)

Crocodile

81.
a)

Reptiles

b)

Invertebrates

c)

Amphibians

d)

Mammals

82.

Mammals are one of the classifications. Mammals are known for:

a)

Having feathers.

b)

Having fur and feeding their young milk.

c)

Laying eggs.

d)

Having no spine.

83.

Fish are known for:

a)

Living entirely underwater.

b)

Having fur.

c)

Having feathers.

d)

Feeding their young with milk.

84.

An animal that's body temperature is controlled by the outside temperature is called:

a)

cold blooded

b)

warm blooded

85.

An animal that can control its own body temperature is called:

a)

cold blooded

b)

warm blooded

86.

Which of the following animals are cold-blooded?

a)

Tortoise, snake, frog

b)

Snake, bat, turtle

c)

Bat, pigeon, deer

d)

Whale, snake, frog

87.
An illustration and a dichotomous key are given. What is the correct classification for this organism?
a)
Class Insecta
b)
Order Amblygygi
c)
Order Araneae
d)
Order Scorpiones
88.
A table of arachnid and insect characteristics is shown. Which characteristic could be used to distinguish between
arachnids and insects?
a)
Jointed legs
b)
Body segments
c)
Presence of eyes
d)
Presence of antennae
89.
When using a dichotomous key to identify organisms, what do we look at?
a)
physical features
b)
weather patterns
c)
environment
d)
diet
90.
What is the name of bird W?
a)
Certhidea
b)
Geospiza
c)
Camarhynchus
d)
Platyspiza
91.
What is the name of bird Z?
a)
Certhidea
b)
Geospiza
c)
Camarhynchus
d)
Platyspiza
92.
What is a dichotomous key used for in science?
a)
To organize biomes
b)
Classify organisms
c)
Identify bacteria only
d)
None of these
93.
A student discovers an arachnid with a segmented abdomen, long legs, and a tail with no stinger. The student uses the dichotomous key below to identify it. Which arachnid has the student found?
a)
Whip Scorpion
b)
Wind Scorpion
c)
Daddy long legs
d)
Scorpion
94.
Using this dichotomous key, identify the name of the circled Fish, J.
a)
peacock flounder
b)
band-tail puffer
c)
trumpet fish
d)
spotted goat fish
95.
Using this dichotomous key, identity the name of the circled fish.
a)
band-tail puffer
b)
spotted goat fish
c)
peacock flounder
d)
trumpet fish
96.
A dichotomous key for insects is given. To what order does an insect with two pairs of scaly wings belong?
a)
Coleoptera
b)
Heteroptera
c)
Diptera
d)
Lepidoptera
97.
Which of the following characteristics will most likely be helpful in identifying a butterfly using a dichotomous key?
a)
Migrates north every spring
b)
hangs on branches
c)
flutters wings fast on hot days
d)
Wings have long extensions
98.
A table of arachnid and insect characteristics is shown. Which characteristic could be used to distinguish between
arachnids and insects?
a)
Jointed legs
b)
Body segments
c)
Presence of eyes
d)
Presence of antennae
99.
A student discovers an arachnid with a segmented abdomen, long legs, and a tail with no stinger. The student uses the dichotomous key below to identify it. Which arachnid has the student found?
a)
Whip Scorpion
b)
Wind Scorpion
c)
Daddy long legs
d)
Scorpion
100.

Which leaf is shown in the drawing?

a)

Magnolia

b)

Redbud

c)

Sweetgum

d)

None of the above

101.
A labeled diagram of a fiddler crab is provided. Which of the following is an accurate observation of the structures of a fiddler crab? Fiddler crabs have -
a)
five pairs of walking legs on each side.
b)
an enlarged propodus on both front legs.
c)
a pair of eyes on stalks at the top of the body.
d)
two pairs or chelipeds for a total of four.
102.

What type of characteristics are used to make a dichotomous key?

a)

Characteristics that make an organism different from any other organism. (type of beaks, claws, root systems)

b)

Characteristics like age of an organism

c)

Where the organism lives

d)

How many organisms live in the environment

103.
__________ are responsible for passing down traits from parent to offspring.
a)
Mutations
b)
Mitochondria
c)
Mitosis
d)
Genes
104.
The fertilized egg is termed a/an _____.
a)
gamete
b)
allele
c)
homolog
d)
zygote
105.
In mitosis cells are genetically _______, but in meiosis cells are genetically ______.
a)
diverse, identical
b)
identical, diverse/different
106.

What are chromosomes?

a)

Long strands of DNA that contain lots of genes.

b)

Different versions of a gene.

c)

The basic unit of heredity; controls a specific trait.

d)

A characteristic passed from parent to offspring

e)

The differences that occur from a mixture of genes

107.

What is a gene?

a)

Long strands of DNA that contain lots of genes.

b)

Different versions of a gene.

c)

The basic unit of heredity; controls a specific trait.

d)

A characteristic passed from parent to offspring

e)

The differences that occur from a mixture of genes

108.

What is an inherited trait?

a)

Long strands of DNA that contain lots of genes.

b)

Different versions of a gene.

c)

The basic unit of heredity; controls a specific trait.

d)

A characteristic passed from parent to offspring

e)

The differences that occur from a mixture of genes

109.

What is genetic variation?

a)

Long strands of DNA that contain lots of genes.

b)

Different versions of a gene.

c)

The basic unit of heredity; controls a specific trait.

d)

A characteristic passed from parent to offspring

e)

The differences that occur from a mixture of genes

110.

The offspring of sexually reproducing organisms have genes that are _____________ from that of their parents.

a)

different

b)

same

c)

dominant

d)

recessive

111.

In sexually reproducing organisms, each parent contributes _____________ of the genes acquired by the offspring.

a)

an eighth

b)

a quarter

c)

a half

d)

three quarters

112.
What can affect a person's height? 
a)
Genetics 
b)
Environmental factors 
c)
Parents
d)
Genetics and environmental factors
113.

When someone says that a daughter looks just like her mother, is it possible that the daughter is an exact copy of her mother?

a)

No, because a daughter gets all of her alleles from her father.

b)

Yes, because a daughter gets alleles from her mother.

c)

No, because a daughter receives half of her genetic make up from her father.

d)

Yes, because humans can practice asexual reproduction under certain circumstances.

114.

Why does sexual reproduction produce diverse offspring?

a)

The cells of the offspring lack DNA.

b)

The offspring all grow at different rates.

c)

The offspring have a unique combination of DNA from its parents.

d)

The offspring are spores.

115.

___________ reproduction has the advantage of increasing genetic variation.

a)

Sexual

b)

Asexual

c)

Fission

d)

Budding

116.

Selective breeding is...

a)

a process to create an organism with desired traits from parents with those desired traits

b)

natural method of producing offspring with desired traits

c)

creating a new species

d)

making organisms reproduce during times of stress

117.

An example of selective breeding is

a)

a dog breeder mating 2 dogs to make more dogs

b)

a farmer grows bees to pollinate the plants on his farm

c)

a person pollinates 2 white rose plants to only create white roses

118.

One problem with selective breeding is

a)

creating a new species

b)

gene variety is lost

c)

new food sources

119.
Which is another term for selective breeding?
a)
Artificial selection
b)
Natural Selection
c)
Intelligent selection
120.

Problems with selective breeding include

a)

Better animals

b)

Increased meat production

c)

Animals can have bad health problems

d)

more diversity

121.

Which is NOT a result of selective breeding?

a)

Large seedless watermelons that consumer demand

b)

Bright oranges that are all about the same size

c)

An insect that matches the color of the environment

d)

A dog that has been bred to have short hair

122.
Scientists genetically engineer corn to be immune to corn diseases. This is BENEFICIAL because
a)
This causes corn to be less likely to reproduce
b)
This causes corn to be less likely to survive
c)
This causes corn to be smaller
d)
This allows increased production of corn
123.

The purpose of selective breeding is to

a)

get bigger animals

b)

get smaller animals

c)

create animals with desirable traits

d)

create animals with bad traits

124.

When selective breeding food crops what might a farmer select for? (Select all that apply.)

a)

The plant the produced the most grain

b)

The plant the produced the largest sized grain

c)

The plant that was the most disease resistant

d)

The plant that was the smallest

e)

The smelliest plant

125.

Which of these is the first step in selective breeding flowers.

a)

Repeat the process only with the offspring with the desired traits

b)

watch the seeds grow

c)

Choose plants that have the desired trait to pollinate

d)

chose which trait is desirable

126.

Which of these is the second step in selective breeding flowers.

a)

Choose which trait is desirable

b)

Watch the seeds grow

c)

Choose plants that have the desired trait to pollinate

d)

Repeat the process only with the offspring with the desired traits.

127.

Which of these is the third step in selective breeding flowers.

a)

Choose which trait is desirable

b)

Watch the seeds grow

c)

Choose plants that have the desired trait to pollinate

d)

Repeat the process only with the offspring with the desired traits.

128.

A mutation

a)

is always bad for an organism

b)

is always good for an organism

c)

is a change in an organism's DNA

d)

never changes an organism

129.

"Survival of the fittest" describes which theory

a)

Natural selection

b)

Selective breeding

130.

Natural selection is where ___________ decides which traits should be passed on.

a)

nature

b)

a human

c)

traits

d)

evolution

131.

How can farmers best use selective breeding to increase apple production?

a)

By limiting the number of trees growing so they can have more space.

b)

By choosing trees that are the largest in size.

c)

By increasing the amount of water and fertilizer the trees receive.

d)

By choosing trees that consistently have the most apples.

132.

Problems with animals that are selectively bred include:

a)

Being more disease resistant

b)

Producing more meat

c)

Being more likely to suffer from genetic disease

d)

Being more genetically diverse

133.

What is a goal of selective breeding?


​ I. To increase the value of species to humans

II. To produce species that resist disease

III. To produce species with specific traits

a)

I and II

b)

II and III

c)

I and III

d)

I, II, and III

134.

How do you "win" at natural selection?

a)

survive

b)

go extinct

c)

survive & reproduce

135.

What word describes a trait that helps an organism survive in its environment?

a)

natural selection

b)

mutation

c)

camouflage

d)

adaptation

136.
Which organisms are most likely to survive?
a)
the best adapted
b)
the fastest
c)
the strongest
d)
the most domesticated (tamed)
137.
The trees these moths used to live on were white, but have been covered in soot from coal factories. Which moth will be more successful in this environment?
a)
Dark moth
b)
Light moth
c)
Both will be equally successful
d)
Neither will be successful
138.
Why is the mouse population changing over time?
a)
The light mice can reproduce more successfully than the dark mice
b)
The hawks eat more dark mice than light mice because the dark mice taste better
c)
The hawks eat more light mice than dark mice because they can see the light mice more easily
d)
The hawks eat more dark mice than light mice because they can see the dark mice more easily
139.
These moths are all the same species. The differences between their wings is an example of ________________
a)
Natural Selection
b)
Variation
c)
Homeostasis
d)
Extinction
140.
When an organism of a species has an adaptation, it will compete for resources better, survive longer and pass that adaptation on to it's offspring. This process is called
a)
evolution by natural selection
b)
artificial selection
c)
inbreeding
d)
outbreeding
141.
Which of the following explains adaptation.
a)
An individual organism changes to meet its needs in the environment. These changes pass down to their offspring.
b)
The species as a whole changes their characteristics.
c)
Beneficial traits allow organism to survive and pass on those traits
d)
New characteristics arise in a species as needed.  If these traits are helpful, they are passed down.
142.
A large herd of goats lives in a field full of poison ivy.  Some goats are able to eat the poison ivy while others have become sick when they eat it. Over time the herd as a whole will tend to
a)
Become more likely to eat poison ivy.
b)
Become less likely to eat poison ivy.
c)
Not change in the proportion of goats that can and can not eat poison ivy.
d)
Eat all the poison ivy and leave only plants all the goats can eat.
143.
When an environment changes faster that an species can adapt, the most likely outcome is...
a)
...biological evolution.
b)
...voluntary mutation
c)
...species extinction
d)
...selective breeding
144.
Evolution works by 
a)
individuals changing to suit their environment
b)
Individuals learned new traits and pass them on
c)
sudden change in the environment cause a species change 
d)
small changes pass down through many generations
145.
Mutations are important because they bring about
a)
death of the organism in which they develop
b)
genetic variation needed for a population to evolve
c)
benefits for the individual, not for the population
d)
Hardey-Weinberg equilibrium within a population
146.
What is another name for natural selection?
a)
survival of the smartest
b)
survival of the fastest
c)
survival of the biggest
d)
survival of the fittest
147.

Natural selection results in change in a population's _____________ traits over time.

a)

inherited

b)

acquired

148.

Individuals undergo evolution.

a)

True

b)

False

149.
Magda is a tall, 11 year old drummer. She has a scar on her right cheek. She is good at swimming. Which of her traits did Magda most likely inherit?
a)
height
b)
the scar
c)
ability to swim
d)
ability to play drums
150.
The ability of an organism to survive and reproduce in its specific environment 
a)
diversity.
b)
evolution
c)
adaptation
d)
 fitness
151.
Which of the following is a factor in natural selection?
a)
Individuals of species compete with one another to survive.
b)
All species are genetically diverse.
c)
Individuals better able to adapt to changes leave more offspring.
d)
All are correct 
152.
Starting in 1954, commercial fishers in the northwest Pacific were paid by weight, rather than by the individual fish, for pink salmon. The fishers increased the use of a type of net that selectively catches larger fish.  Which of the following effects did this change in fishing technique most likely have on the salmon population over the next 20 years?
a)
The average body size of the salmon population decreased significantly.
b)
The average body size of the salmon population increased significantly.
c)
The average body size of the males in the salmon population increased, and the females stayed the same.
153.

Charles Darwin observed that finches of different species on the Galápagos Islands have many similar physical characteristics, this supports the hypothesis that these finches

a)

are twins

b)

acquired traits through use and disuse.

c)

all eat the same type of food.

d)

descended from a common ancestor.

154.

Would Natural Selection occur?

A lizard is born with a mutated tail that allows it to fall off when grabbed by a predator. This allows it to survive longer and pass the trait on to its offspring.

a)

Yes

b)

No

155.

Would Natural Selection occur?

Over many generations, birds' beaks chance as a result in a change to their primary food source.

a)

Yes

b)

No

156.

Would Natural Selection likely occur?

A bird living in a forest ecosystem is born with bright purple and red feathers.

a)

Yes

b)

No

157.

Would Natural Selection likely occur?

Pepper moths change from white to black because of an increased amount of soot on trees?

a)

Yes

b)

No

158.

When the environment changes more quickly than a species can adapt, the species may become:

a)

Cold

b)

Overdeveloped

c)

Overpopulated

d)

Extinct

159.

What theory proposes that organisms with traits better suited to their environment are more likely to survive and reproduce?

a)

Acquired Characteristics

b)

Embryology

c)

Survival of the Smartest

d)

Natural Selection

160.

A fox with thicker fur than average would have a survival advantage over other foxes if:

a)

There is more competition for food in the fox population.

b)

The air temperature significantly decreases in winter.

c)

A drought occurs, limiting the amount of water available.

d)

A new disease appears that infects the foxes.

161.

The fur of the snowshoe rabbit changes to a lighter color in the winter. This allows the rabbit to blend in with its surroundings. This change is an example of:

a)

Adaptation

b)

Extinction

c)

Competition

d)

Succession

162.

Due to genetic inheritance, members of a species can be slightly different from another in their traits. This is known as...

a)

Variation

b)

Overproduction

c)

Competition

d)

Evolution

163.

What is evolution?

a)

A gradual change in a species over a very long period time.

b)

One animal turning into a completely different animal.

c)

Change in a habitat over time.

d)

A trait that enhances survival.

164.

Animals may fight, make threatening sounds,and act aggressively toward members of the same species. These behaviors usually occur as the result of:

a)

Adaptation

b)

Evolution

c)

Competition

d)

Variation

165.

The finches on the Galapagos island were similar in form except for variations of their beaks. Darwin observed that these variations were useful for:

a)

Attracting a mate.

b)

Gathering food.

c)

Defending territory.

d)

Building nests.

166.

The movements of individuals into or out of a population provides a source of _______ to a population.

a)

Mutation

b)

Camoflage

c)

Variation

d)

Punctuated Equilibrium

167.

Organisms producing more offspring than are likely to survive in order to help ensure that at least some survive until adulthood is known as:

a)

Variation

b)

Overproduction

c)

Competition

d)

Evolution

Similar Resources on Wayground

Environmental Systems S1 Review

170 questions

Environmental Systems S1 Review

quiz

Worksheet

•

9th - 12th Grade

PBS Semester 1 Final Review

168 questions

PBS Semester 1 Final Review

quiz

Worksheet

•

9th Grade

Exam Party Fun Time

164 questions

Exam Party Fun Time

quiz

Worksheet

•

6th - 8th Grade

Evolution Review

169 questions

Evolution Review

quiz

Worksheet

•

9th - 12th Grade

CULTURA GENERAL

162 questions

CULTURA GENERAL

quiz

Worksheet

•

9th Grade

7th grade Final Exam Review 2023

162 questions

7th grade Final Exam Review 2023

quiz

Worksheet

•

7th Grade

Electromagnetism Exam Review

165 questions

Electromagnetism Exam Review

quiz

Worksheet

•

8th Grade

Dynamic Earth Reteach Unit 4

164 questions

Dynamic Earth Reteach Unit 4

quiz

Worksheet

•

7th Grade