Biogeographic Isolation-Standard Bio 4.5

Question 1

Which of the following statements is the best explanation for why the embryos look so similar, considering how different an adult fish and chicken are?

Revolt · Accepted Answer

Fish and chickens share a common ancestor.

Question 2

convergent evolutiondescent from a common ancestor

Revolt · Accepted Answer

descent from a common ancestor

Question 3

similaritiesdifferences

Revolt · Accepted Answer

similarities

Question 4

Which layer of rock is the oldest?

Revolt · Accepted Answer

4

Question 5

In which layer of rock would you find the oldest fossil?

Revolt · Accepted Answer

4

Question 6

A fossil called Tiktaalik has been found to be halfway between a fish and the earliest land animals.

Revolt · Accepted Answer

Transitional forms

Question 7

Increasing complexityTransitional formsGeographic distribution The oldest forms of life were much more simple than the newest forms of life.

Revolt · Accepted Answer

Increasing complexity

Question 8

Increasing complexityTransitional formsGeographic distribution A fossil called Tiktaalik has been found to be halfway between a fish and the earliest land animals.

Revolt · Accepted Answer

Transitional forms

Biogeographic Isolation-Standard Bio 4.5 Answers

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