The teeth of grain-eating animals (such as horses) are usually broad and ridged. This makes the teeth suitable for grinding and chewing. Meat-eating animals (such as lions) have pointed teeth that are good for puncturing and ripping flesh. This illustrates
A. a result of natural selection only.
B. the connection between form and function only.
C. a food web.
D. a result of natural selection as well as the connection between form and function.
Answer:D
The teeth of grain-eating animals (such as horses) are usually broad and ridged. This makes the teeth suitable for grinding and chewing. Meat-eating animals (such as lions) have pointed teeth that are good for puncturing and ripping flesh. This illustrates
A. a result of natural selection only. B. the connection between form and function only. C. a food web. D. a result of natural selection as well as the connection between form and function.