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WorksheetsNatural Selection/Adaptation
Total questions: 21
Worksheet time: 34mins
Name
Class
Date
1.
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.
2.
How do adaptations help animals?
a)
to hide from predators
b)
to hunt for food
c)
to survive in their habitats
d)
All of these are correct
3.
An animal's color or pattern that helps it blend into its surroundings
a)
Environment
b)
Mimicry
c)
Camouflage
d)
Habitat
4.
The ears of this fox are an example of...
a)
A behavioral adaptation
b)
Poor breeding
c)
A physical adaptation
d)
Plastic surgery gone horribly wrong
5.
When an animal looks like another animal it is called ______________.
a)
camouflage
b)
mimicry
c)
warning coloration
d)
protective resemblance
6.
A giraffe's long neck - used to reach leaves high in trees - is an example of a
a)
instinct
b)
learned behavior
c)
behavioral adaptation
d)
physical adaptation
7.
What would a bird's foot look like if it spent its time in the water?
a)
Sharp talons and claws
b)
Short stubby toes
c)
Webbing between the toes
d)
Long graceful fingers
8.
Canada geese travel north when the weather gets warm in the spring. Then they travel south when it gets cold in the late fall. Suppose that the spring temperature stayed cold two weeks longer than usual. How would that change the behavior of the geese?
a)
They would not travel north at all.
b)
They would travel north at the usual time.
c)
They would travel north about two weeks later.
d)
They would travel north about two weeks earlier.
9.
Which of the following is a physical adaptation for the underlined animal?
a)
A snake unhinges its jaw to eat a rabbit it just caught.
b)
A hognose snake rolls over, slows its breathing, and hangs its tongue out to pretend to be dead.
c)
A herd of buffalo encircle their young to protect them from a pack of wolves.
d)
A dung beetle rolls a piece of dung across the desert.
10.
The goal of every species on earth is...
a)
to survive and reproduce
b)
divide and conquer
c)
survive and conquer
d)
reproduce and die
11.
Why do frogs and other organism reproduce so many eggs or offspring?
a)
so that their babies can have friends to play with
b)
the more offspring the more likely the offspring will survive
c)
the more offspring the less likely offspring will survive
d)
the more offspring the less competition
12.
Which organisms are most likely to survive?
a)
the best adapted
b)
the fastest
c)
the strongest
d)
the most domesticated (tamed)
13.
Almost all adaptations started off as?
a)
selective breeding
b)
physiological
c)
structural
d)
mutation
14.
The differences among a species, like different bird beaks, are called
a)
genes.
b)
variations.
c)
traits.
d)
theories.
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.
The theory of evolution by natural selection means that what is changing over time?
a)
The inherited traits of a population.
b)
The acquired traits of a population.
c)
Hair color and eye color
d)
Attractive features.
17.
What is the advantage of having different shaped beaks?
a)
To look different from other species.
b)
To be able to eat the food readily available in the environment.
c)
To protect itself against predators.
d)
To protect itself against prey.
18.
The diagram shows fossils in different rock layers. Which of these statements about the age of these fossils is most likely correct?
a)
Fossil A and C are the same age
b)
Fossil B is older than fossil C
c)
Fossils A is older than fossil B
d)
Fossil D is older than fossil C
19.
Two organisms that are closely related would have
a)
very similar DNA sequence
b)
exactly the same DNA sequences
c)
no proteins in common
d)
completely different DNA sequence
20.
Charles Darwin’s observation that finches of different species on the Galápagos Islands have many similar physical characteristics supports the hypothesis that these finches
a)
have the ability to interbreed.
have the ability to interbreed.
have the ability to interbreed.
b)
acquired traits through use and disuse.
c)
all eat the same type of food.
d)
descended from a common ancestor.
21.
If an organism has a vestigial structure, that structure likely once had a function in a(n)
a)
close relative
b)
early ancestor
c)
unrelated organism
d)
embryological stage
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