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Worksheets2nd Semester Exam
Total questions: 68
Worksheet time: 35mins
Name
Class
Date
1.
This type of reproduction occurs when a new organism is produced from ONE parent and is identical to that parent.
a)
Asexual Reproduction
b)
Sexual Reproduction
c)
Unisexual Reproduction
2.
This type of reproduction is produced from 2 parents. The offspring has a combination of traits from both parents.
a)
Asexual Reproduction
b)
Sexual Reproduction
c)
Unisexual Reproduction
3.
Organisms that are genetically identical reproduce by _________________ reproduction.
a)
asexual
b)
sexual
c)
unisexual
4.
What is one advantage of sexual reproduction over asexual reproduction?
a)
Sexual reproduction is faster
b)
Sexual reproduction requires less energy
c)
Sexual reproduction allows for genetic variation
d)
Sexual reproduction doesn't require a mate
5.
The ____________ is the genetic makeup of a organism represented by letters.
a)
allele
b)
phenotype
c)
homozygous
d)
genotype
6.
The ___________ is the physical appearance of an organism, what it looks like.
a)
alleles
b)
genotype
c)
phenotype
d)
heterozygous
7.
_________ are the different forms a gene has for a trait. Ex: T, t
a)
alleles
b)
genotypes
c)
homozygous
d)
heterozygous
8.
A trait is considered ______________ when there are two different genes for a trait
a)
heterozygous
b)
genes
c)
genetics
d)
homozygous
9.
A trait is considered _________________ when there are two alleles that are the same.
a)
heterozygous
b)
genes
c)
genetics
d)
homozygous
10.
What is the following genotype: T T
a)
homozygous
b)
heterozygous
11.
What is the following genotype: d d
a)
homozygous
b)
heterozygous
12.
What is the following genotype: P p
a)
homozygous
b)
heterozygous
13.
What is the following genotype: F f
a)
homozygous
b)
heterozygous
14.
Determine the phenotype of the following if blue is dominant over green.
BB
BB
a)
blue
b)
green
15.
Determine the phenotype of the following if blue is dominant over green.
Bb
Bb
a)
blue
b)
green
16.
Determine the phenotype of the following if blue is dominant over green.
bb
bb
a)
blue
b)
green
17.
Give all of the possible genotypes of the following phenotypes: brown hair (B) is dominant to red hair (b).
Brown Hair=
Brown Hair=
a)
BB
b)
bb
c)
Bb
d)
BB, Bb
18.
Give all of the possible genotypes of the following phenotypes: brown hair (B) is dominant to red hair (b).
Red Hair=
Red Hair=
a)
BB
b)
bb
c)
Bb
d)
BB, Bb
19.
The theory of ________________ was developed by Charles Darwin after he studies finches on the Galapagos Islands.
a)
adaptation
b)
selective breeding
c)
evolution
d)
natural selection
20.
What does the theory of evolution explain?
a)
The deliberate beeding of plants or animals for desired traits
b)
When organisms fight over resources such as food, water and shelter
c)
A change in the DNA code of a gene
d)
How traits and species can change over time.
21.
_________________ is the deliberate breeding of plants and animals for desired traits.
a)
adaptation
b)
mutation
c)
selective breeding
d)
natural selection
22.
A change in the DNA code of a gene is called a __________.
a)
mutation
b)
adaptation
c)
variation
23.
An inherited trait that increases an organism's chance of surviving and reproducing in a particular environment is called _____________.
a)
mutation
b)
adaptation
c)
variation
24.
______________ is when an organism wit the traits best suited to their environment is most likely to survive and reproduce.
a)
Natural Selection
b)
Selective Breeding
c)
Competition
25.
___________ is when orgnisms fight over resources such as food, water and shelter.
a)
Natural Selection
b)
Selective Breeding
c)
Competition
26.
Which of these is NOT and example of an adaptation?
a)
migration
b)
fur
c)
reproduction
d)
hibernation
27.
Which if these is NOT an example of an internal adaptation?
a)
wings
b)
hollow bones
c)
gills
d)
4-chambered heart
28.
_______________ are organisms that make their own food
a)
producer
b)
consumer
c)
ominore
d)
herbivore
29.
________ are organisms that cannot make their own food.
a)
producer
b)
consumer
c)
herbivore
d)
carnivore
30.
__________ are organisms that eat both plants and animals
a)
consumers
b)
omnivore
c)
herbivore
d)
carnivore
31.
____________ are organisms that eat only producers
a)
decomposers
b)
ominores
c)
herbivores
d)
carnivores
32.
____________ are organisms that eat only other consumers.
a)
omnivores
b)
herbivores
c)
carnivores
d)
decomposers
33.
________ break down once-living matter
a)
omnivores
b)
herbivores
c)
carnivores
d)
decomposers
34.
As you move up the energy pyramid, energy ________.
a)
decreases
b)
increases
c)
stays the same
35.
What do the arrows in the food chain represent?
a)
the transfer of biotic factors
b)
the transfer of energy
c)
the transfer of waste
d)
the transfer of power
36.
the living parts of an ecosystem are called
a)
biotic factors
b)
abiotic factors
37.
the nonliving parts of an ecosystem are called
a)
biotic factors
b)
abiotic factors
38.
the amount of different species of organisms in an area is known as the ecosystem's ___________.
a)
biotic factors
b)
biodiversity
c)
abiotic factors
d)
succession
39.
plants, animal, and bacteria are all examples of _______ factors
a)
biotic
b)
abiotic
40.
temperature, water, pressure, pollution, air are all examples of ________ factors
a)
biotic
b)
abiotic
41.
The less diverse an ecosystem is, the fewer amount of _________ live there. An example of this is the tundra.
a)
plants
b)
animals
c)
species
d)
bacteria
42.
A gradual change in plant and animal life in an ecosystem over time is known as ________________.
a)
food webs
b)
biodiversity
c)
watershed
d)
ecological succession
43.
Which type of succession happen faster?
a)
primary
b)
secondary
c)
pioneer species
d)
climax community
44.
A community of moss and lichens growing on a rock is a example of _________________.
a)
secondary succession
b)
ecological succession
c)
pioneer species
d)
climax community
45.
Which type of succession occurs sin a place with NO soil?
a)
primary succession
b)
secondary succession
c)
climax community
46.
Which type of succession occurs in a place with existing soil?
a)
primary succession
b)
secondary succession
c)
climax community
47.
What type of succession would occur on volcanic rock?
a)
primary
b)
secondary
48.
What type of succession would occur after a forest fire?
a)
primary
b)
secondary
49.
List the raw materials (what is required) for photosynthesis.
a)
glucose, starch and oxygen
b)
light, oxygen ad water
c)
light, water and glucose
d)
light, carbon dioxide, and water
50.
List the products for photosynthesis.
a)
carbon dioxide, water, ATP
b)
carbon dioxide, water, glucose
c)
oxygen, water, ATP
d)
oxygen, water, glucose
51.
What is the source of all energy on Earth?
a)
plants
b)
gas
c)
electricity
d)
the sun
52.
What part of the plant cell does photosynthesis occur in?
a)
mitochondria
b)
nucleus
c)
chloroplast
d)
cell wall
53.
If chlorophyll were red instead of green, making plants red in appearance, which color of light would you expect o produce the LOWEST rate of photosynthesis?
a)
white light
b)
red light
c)
blue light
d)
green light
54.
List the raw materials (what is required) for cellular respiration.
a)
carbon dioxide, glucose, light
b)
Carbon dioxide, glucose
c)
oxygen, glucose, light
d)
oxygen, glucose
55.
List the products for cellular respiration.
a)
carbon dioxide, water, ATP
b)
carbon dioxide, water, light
c)
oxygen, water, ATP
d)
oxygen, water, light
56.
Rocks being made smooth by tumbling across a stream bed are an example of __________.
a)
weathering
b)
erosion
c)
deposition
57.
Caves forming by acid rain dissolving underground limestone is an example of ___________.
a)
weathering
b)
erosion
c)
deposition
58.
Wind blowing sand from one location to another is an example of _____________.
a)
weathering
b)
erosion
c)
deposition
59.
When sediments are carried from one location to another is an example of __________.
a)
weathering
b)
erosion
c)
deposition
60.
Ponds filling up with sediment and becoming marshes is an example of _____________.
a)
weathering
b)
erosion
c)
deposition
61.
When sediment settles out and form sand dunes, this is considered _____________.
a)
weathering
b)
erosion
c)
deposition
62.
Water that flows over Earth's surface is called ___________.
a)
runoff
b)
groundwater
c)
watershed
d)
estuary
63.
Water that lies below ground is called __________.
a)
runoff
b)
groundwater
c)
watershed
d)
estuary
64.
An area that collects precipitation and drains it to the lowest point is called a ____________.
a)
runoff
b)
groundwater
c)
watershed
d)
estuary
65.
____________ is pollution that cannot be traced back to its source.
a)
runoff
b)
non-point source pollution
c)
point source pollution
66.
____________ is pollution that can be traced back to its source.
a)
runoff
b)
non-point source pollution
c)
point source pollution
67.
Which of the following is NOT a reason why wetlands are important.
a)
prevents flooding
b)
prevents erosion
c)
filters water
d)
pollutes the waterways
68.
How is groundwater different from surface water?
a)
groundwater is found below ground and surface water is found above ground.
b)
groundwater is found abovefround and surface water is found below ground.
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