Individuals that are better able to cope with the challenges of their environment tend to

increase in population over time

decrease in population over time

leave fewer offspring that those less suited to the environment

The Asian shore crab invaded parts of the eastern coast of the United States about 15 years ago. The Asian shore crab preys on blue mussels. In the time since the Asian shore crab arrived, the average shell thickness of the blue mussel population has increased. Which of the following is the most likely reason that this increase in shell thickness has occurred?

Blue mussels with thick shells survive and reproduce more successfully that mussels without this shells.

Blue mussels with thick shells catch more food per day than mussels without this shells.

Blue mussels with this shells grow larger in colonies than mussels without thick shells.

Blue mussels with thick shells attract more crabs than mussels without thick shells.

What is one of the advantages of having different shaped beaks?

to be able to eat the food readily available in the environment

to look different from other species

to protect itself against predators

Which of the following describes what is meant by Natural Selection?

An organism with adaptations that allow it to obtain resources and reproduce more effectively than others will survive.

An organism with adaptations that do not allow it to reproduce as effectively as others will survive.

An organism will survive no matter what its adaptations may be

Which best describes an adaptation?

A trait that helps an organism to survive in its environment.

The place where an organism lives.

A trait that does not help the organism to survive in its environment.

A trait that the organism can change when he wants.

What does the term variation mean?

The different ways that traits are expressed in a population.

The same traits in a population.

The same ways traits are expressed in a population.

The place where an animal lives.

Some plants have developed a think waxy coating that helps prevent the loss of water. In order for plants to develop this thick waxy coating over many generations, what must be true?

The plants must have variation in the amount of waxy coating.

The plants must be able to absorb water directly from the air.

The plants must live in an area with heavy rainfall.

The plants must produce wax that animals are able to eat.

A population of a certain kind of fish is introduced into a new habitat. These fish have variations in color from light to dark. What change would likely result after many generations of these fish living in this environment?

There would be two populations of fish, light-colored near the surface and dark-colored near the bottom.

All the fish would become more similar, something exactly between light-colored and dark-colored.

None of the fish would be able to survive, because the new habitat is not suited to any of them.

The fish would become smaller over time so that they could more easily defend themselves from predators.

NATURAL SELECTION

7th Grade

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NATURAL SELECTION

Quiz

•

Science

•

7th Grade

•

Practice Problem

•

Easy

•

NGSS

MS-LS4-4, MS-LS4-1, HS-LS4-2

Standards-aligned

Grace Nicholas

Used 3+ times

FREE Resource

27 questions

Show all answers

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the theory of natural selection?

differences in traits

individuals that are better adapted to their environment are more likely to survive and reproduce

the practice by which humas select plants or animals for breeding based on desired traits

an inherited trait that helps an organism to survive

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What organism did Darwin study at the Galapagos Island?

dragons

tigers

finches

dogs

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Evolution is a ____ process.

extince

fast

slow

new

Tags

NGSS.MS-LS4-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement best describes selective breeding?

survival of the fittest

breeding for a desired trait

evolution

none of the above

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The more genetic variation a population has, the more likely it is for some individuals to

migrate

mutate

survive

evolve

Tags

NGSS.MS-LS4-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Charles Darwin noticed that the finches of the Galapagos Islands had different shapes and sizes of

beaks

wings

eyes

color

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A trait that makes a species better suited to survive in its environment is called

isolation

natural selection

adaptation

variation

Tags

NGSS.MS-LS4-4

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NATURAL SELECTION

27 questions

What is the theory of natural selection?

What organism did Darwin study at the Galapagos Island?

Evolution is a ____ process.

Which statement best describes selective breeding?

The more genetic variation a population has, the more likely it is for some individuals to

Charles Darwin noticed that the finches of the Galapagos Islands had different shapes and sizes of

A trait that makes a species better suited to survive in its environment is called

How do you "win" at natural selection?

A slight difference in an inherited trait between individual members of the same species.

Which of the following is an English natural scientist who formulated a theory of evolution by natural selection?

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