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WorksheetsUnit 7 Life Science
Total questions: 42
Worksheet time: 36mins
Name
Class
Date
1.
What is the term for a feature that allows an organism to survive in its environment?
a)
adaptation
b)
variation
c)
homologous structure
d)
vestigial structure
2.
a)
analogous structures
b)
homologous structures
c)
vestigial structures
d)
none of the above
3.
What is the process of which humans breed organisms for certain traits?
a)
artificial selection
b)
descent without modification
c)
inheritance of acquired characteristics
d)
natural selection
4.
Vertebrate embryos pass through similar stages of development is evidence for
a)
use and disuse
b)
homologous structures
c)
common ancestry
d)
acquired characteristics
5.
Individuals that are well adapted to their environment will survive and produce
a)
better traits
b)
stronger genes
c)
more offspring
d)
fewer mutations
6.
The remnant of an organ that had a function in an early ancestor is known as a(n)
a)
vestigial structure
b)
analogous structure
c)
homologous structure
d)
fossil structure
7.
Change over time...
a)
Evolution
b)
Nucleotide
8.
Darwin wrote that organisms with traits that are best suited to the environment will ________________
a)
increase in number
b)
become extinct
9.
Another word for adapt is ____________.
a)
change
b)
create
10.
What characteristic did Darwin observe about the finches on the Galapagos Islands?
a)
Their feathers
b)
Genotypes
c)
Their beaks
d)
Their body sizes
11.
Which term refers to the process by which individuals that are better suited to the environment survive and reproduce therefore passing down their genes to their offspring?
a)
Evolution
b)
Variation
c)
Adaptation
d)
Natural Selection
12.
The environment around Manchester, England, changed during the Industrial Revolution. How did this change affect peppered moths living in the area?
a)
Natural selection favored moths with dark wings because predators could not see them on the soot-colored trees.
b)
Natural selection favored moths with white wings that were easy for predators to see.
c)
Natural selection favored moths with white wings because predators could not see them on the soot-colored trees.
d)
Natural selection caused moths with white wings to become extinct.
13.
When an organism completely dies out, it is called.....
a)
Adaption
b)
Extinction
c)
Fossilization
d)
Mutation
14.
Which of the following would represent a sudden environmental change?
a)
Wildfire
b)
Global Warming
c)
Competition for food
d)
Desert encroachment
15.
Why are advantageous traits more likely to be passed onto offspring?
a)
Because they are more likely to survive and reproduce.
b)
Because they come from dominant alleles.
c)
Because they come from recessive alleles.
d)
Because the trait is an acquired phenotype.
16.
Mutations are a change in what?
a)
DNA
b)
tRNA
c)
genotype
d)
phenotype
17.
Genetic differences between organisms of the same species
a)
Variation
b)
Adaptation
c)
Behavior
d)
Environment
18.
Structures with the same parts have different functions; suggests that organisms share a common ancestry
a)
vestigial structures
b)
homologous structures
c)
adaptive radiation
d)
fossil
19.
Study of embryos of various organisms to show a common ancestor because of similarities in development
a)
natural selection
b)
embryology
c)
speciation
d)
evolution
20.
A fossil of an extinct dinosaur is found and the anatomy of the fossil shows similarities to that of a bird. What could this mean?
a)
This is purely by chance and isn't significant
b)
The extinct dinosaur and modern bird share a common ancestor
c)
All dinosaurs evolved into birds and that's why there aren't any dinosaurs alive today
d)
Dinosaurs choose to fly, and evolved into birds to escape predation and capture food
21.
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
22.
European rabbits were introduced to Australia in 1859. The rabbits reproduced rapidly in their new habitat, displaced other animals, and overgrazed vegetation. In an attempt to reduce the rabbit population, a virus was introduced in 1951. This virus is usually deadly to European rabbits. When the virus was first introduced, the rabbits died in large numbers, but the death rate decreased over time. Which of the following best explains the decrease in the rabbit death rate?
a)
Young rabbits learned to avoid being infected with the virus.
b)
The lifespan of the virus was too short to affect rabbits over a long period of time.
c)
Natural selection favored rabbits that were resistant to the virus.
d)
No correct choices.
23.
Which of the following statements best reflects the evolutionary importance of the figures pictured?
a)
New genetic instructions have been disregarded in the evolution of vertebrates.
b)
Early in development, vertebrate embryos show no evidence of common ancestry.
c)
All adult vertebrates retain pharyngeal pouches (gills).
d)
The evolutionary history of organisms is seen in the way embryos develop.
24.
What is a characteristic, or feature of a plant or animal called?
a)
trait
b)
survive
c)
adaptation
d)
reproduce
25.
The ears of this fox are an example of...
a)
A behavioral adaptation
b)
A functional adaptation
c)
A structural adaptation
d)
Plastic surgery gone horribly wrong
26.
Which Adaptation helped the frog blend in with the souroundings?
a)
Mimicry
b)
Scent
c)
Hibernation
d)
Camouflage
27.
What is a reason why people want to engage in selective breeding?
a)
To generate desired traits in the organism's offspring
b)
To generate wealth and freedom
c)
To generate freedom only
d)
To generate more offspring for themselves
28.
Lions often hide in the tall grass while stalking their prey. This is an example of...
a)
camouflage
b)
warning coloration
c)
mimicry
d)
hibernation
29.
What is an adaptation?
a)
A feature or behavior that helps an animal survive.
b)
The food that an animal eats.
c)
How energy moves in a food web.
d)
How animals evolve throughout time.
30.
Animals that have something they DO to live. This includes things like hibernation, migration etc.
a)
warning coloration
b)
camouflage
c)
behavioral adaptation
d)
mimicry
31.
Which of the following is NOT a behavioral adaptation?
a)
Making a nest in the crevices of buildings
b)
Hunting at night
c)
Collecting food from trash cans
d)
Having large eyes that can see well in the dark
32.
Mutations are a change in what?
a)
DNA
b)
tRNA
c)
genotype
d)
phenotype
33.
Almost all adaptations started off as?
a)
selective breeding
b)
physiological
c)
structural
d)
mutation
34.
Which type of fossil is this?
a)
trace
b)
body
c)
cast
d)
mold
35.
Which of the following is NOT considered evidence of evolution?
a)
similar DNA
b)
similar development
c)
similar behavior
d)
vestigial structures
36.
Bird's beaks evolve mainly due to the type of ___________________ available.
a)
food
b)
water
c)
shrubs
d)
mates
37.
Why are advantageous traits more likely to be passed onto offspring?
a)
Because they are more likely to survive and reproduce.
b)
Because they come from dominant alleles.
c)
Because they come from recessive alleles.
d)
Because the trait is an acquired phenotype.
38.
Change over time
a)
Natural Selection
b)
Selective Breeding
c)
Homeostasis
d)
Evolution
39.
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
40.
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
41.
A scientific theory provides and explanation for how or why an event occurred.
a)
True
b)
False
42.
A scientific law is a repeatable pattern in nature
a)
True
b)
False
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