Chapter 40 - Animal Hormones - 40.2 - The Endocrine System and Nervous System Work Together - 40.2 Recap - Learning Outcomes - Page 854: 1

Hormones are highly conserved through countless species. The same hormones are found over broad groups of organisms, despite having different functions. As animals have come to occupy different niches, the same hormone–receptor systems have evolved to serve a variety of different functions.

Hormones are highly conserved through countless species. The same hormones are found over broad groups of organisms, despite having different functions. As animals have come to occupy different niches, the same hormone–receptor systems have evolved to serve a variety of different functions.