Answers CV Q4 MJ Science 3 Adv 2002110 Compacted Review of Grade.7.Life for SSA Prep Unit Test — Unit testQuestion 6

6

QuizMultiple Choice

Unit Test — Unit test

Question 6 • CV Q4 M/J Science 3 Adv 2002110 Compacted Review of Grade.7.Life for SSA Prep

Which describes vestigial structures and how they relate to evolution?

Answer

A

Snakes have tiny internal hind leg bones, indicating that they likely descended from lizards.

B

Humans and dogs have similar bone structures in their forelimbs, indicating a common ancestor.

C

Dolphins and birds have structures that are adapted for swimming, but the structures did not evolve the same way.

D

The DNA of mice and chickens shows similar patterns, suggesting that the two species are related.

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