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
◦ the connection between form and function only.
◦ a result of natural selection as well as the connection between form and function.
◦ a result of natural selection only.
◦ a food web.