
2nd Evolution Review
Quiz by Kimberly Anderson
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4. Skeletal structures are common between two animals of different species. These structures probably exist because both species
5. Which statement describes the best evidence that two species share a recent common ancestor?
6. The bones of a whale flipper are similar to the bones of a bat wing as shown in the illustration below. What does this similarity in bone structure suggest about the whale and the bat?

7. To study the relatedness among plants, the scientist compared a specific RNA sequence in four different species of plants. The percent difference are shown in the table.
Which two species are most closely related?

4. Which of the following factors has the greatest effect on whether leg stripes will become more common in the tree frog population
5. Which of the following is the original source of genetic variation within a species?
6. Whichof these best illustrates natural selection?