Animal Uses Animals flourish on this planet because, like humans, they need to survive and reproduce. As humans, we have taken advantage of nature. We have ultimately, at least a majority, decided that humans are more important than animals. Any advances in human technology or growth that has harmed animals, we simply chose to advance and to ignore the downfalls. Animals have made a tremendous impact in many medical fields. Although animal testing has improved human life, there still remains many animal experiments out there that have no real cause and create extreme pain for the animal. American researchers sacrifice about 64 million ani