Answer:
Homeostasis is important because it's an organisms known environment. Even if you were to alter the environment by a little, it would effect the organism greatly. For example, if a rainforest's temperature changed to be similar to that of a desert's, then the inhabitants of the rainforest would die due to them being unaware of how to survive and blend in the desert-like temperature. In short, changing an environment can eliminate a lot of known survival skills for organisms, such as camouflage.
Explanation:
