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 than 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 than mussels without thick shells.

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

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

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

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?

Both will be equally successful

Since the 1800s humans have stopped burning coal, and the trees have returned to their original color. Which moth will be more successful in this environment?

Both will be equally successful

What is the advantage 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.

To protect itself against prey.

Evolution and Natural Selection

Authored by Chelsea Musick

Science

7th Grade

NGSS covered

Used 1K+ times

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20 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Definition: adaptation

inherited characteristic that increases chances of survival

organisms with traits well suited to their environment survive and reproduce at a greater rate

a growing population causes a scarcity of resources

differences in the DNA sequence

Tags

NGSS.MS-LS4-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Definition: competition

inherited characteristic that increases chances of survival

organisms with traits well suited to their environment survive and reproduce at a greater rate

a growing population causes a scarcity of resources

differences in the DNA sequence

Tags

NGSS.MS-LS4-4

NGSS.MS-LS2-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Definition: natural selection

inherited characteristic that increases chances of survival

organisms with traits well suited to their environment survive and reproduce at a greater rate

a growing population causes a scarcity of resources

differences in the DNA sequence

Tags

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 a(n) _________.

variation

adaptation

natural selection

isolation

Tags

NGSS.MS-LS4-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you "win" at natural selection?

survive

go extinct

survive & reproduce

Tags

NGSS.MS-LS4-4

NGSS.MS-LS1-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

variations

adapatations

homologous structures

analogous structures

Tags

NGSS.MS-LS4-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

English natural scientist who formulated a theory of evolution by natural selection (1809-1882).

Darwin

Wallace

Linnaeus

Lamarck

Tags

NGSS.MS-LS4-4

NGSS.MS-LS4-2

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Evolution and Natural Selection

Definition: adaptation

Definition: competition

Definition: natural selection

A trait that makes a species better suited to survive in its environment is called a(n) _________.

How do you "win" at natural selection?

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

English natural scientist who formulated a theory of evolution by natural selection (1809-1882).

Change in a kind of organism over time; process by which modern organisms have descended from ancient organisms.

A term that typically describes a species that no longer has any known living individuals

Preserved remains or traces of ancient organisms.

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