Evidence for Evolution

Evidence for Evolution

Assessment

Flashcard

Science

7th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is evidence for evolution?

Back

Evidence for evolution includes fossil records, DNA similarities, and anatomical structures that show how species have changed over time.

2.

FLASHCARD QUESTION

Front

What is a vestigial structure?

Back

A vestigial structure is a body part that has lost its original function through evolution, such as the tiny leg bones in snakes.

3.

FLASHCARD QUESTION

Front

What can fossils tell us about evolution?

Back

Fossils provide a record of past life forms and show how species have changed over time, helping to establish evolutionary relationships.

4.

FLASHCARD QUESTION

Front

What does it mean if two species share DNA sequences?

Back

If two species share DNA sequences, it suggests they have a common ancestor and may have evolved from that ancestor.

5.

FLASHCARD QUESTION

Front

How do scientists determine the age of fossils?

Back

Scientists determine the age of fossils using methods like radiometric dating and studying the layers of sedimentary rock.

6.

FLASHCARD QUESTION

Front

What is the significance of similar DNA in different species?

Back

Similar DNA in different species indicates that they may have evolved from a common ancestor, supporting the theory of evolution.

7.

FLASHCARD QUESTION

Front

What is natural selection?

Back

Natural selection is the process where organisms better adapted to their environment tend to survive and produce more offspring.

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