C.
1)<span>Pigs digestive tracts and nutritional needs are very similar to humans.
</span>
2)<span>Pigs also have hearts that are similar in size and makeup to the human
</span><span>
heart. Pig heart valves are used to replace defective human heart valves.
3)</span><span>Answer "Pig" DNA is most similar to Human DNA..
</span>
Answer: A food web.
Explanation:
A food web has more diversity because a food chain only shows what each animal eats. A food web,however, shows everything you need to know and more.