Question 85

(Multiple Choice)

The following questions refer to the description below.
You are taking an art class and your instructor asks you to draw several animals,including a shark,a dolphin,and a penguin.As you draw these animals you notice that they all have a fusiform shape; in other words,they are tapered at both ends.Despite their similar shape,you are well aware that the shark is a fish,the dolphin is a mammal,and the penguin is a bird.
-What is the best explanation for the similarities and differences in these three species?


A)There is some homology and some analogy in all living organisms.
B)The animals all share a very distant common ancestor.
C)You are seeing an example of convergent evolution: the evolution of similar traits in distantly related organisms due to adaptations to similar environments.
D)You are seeing an example of homology: the evolution of similar function in distantly related organisms due to adaptations to similar environments.
E)You are seeing an example of analogy: the evolution of modified traits in related organisms.

Answer