Question

1. Characterize the following groups of chordates/vertebrates: Chondrichthyes, Actinopterygii, Amphibians, Reptilia (include birds), and Mammalia (include monotremes, marsupials, and eutherians). Include information about their unique structural features, reproduction cycle, and nutritional acquisition. [For this question, you will find it easier to complete if you create a table with the requested information. The expectation is that you provide detailed information, but you do not need to do this question in complete sentences.]
2. Explain and give an example of negative and positive feedback. Include information on how the endocrine and nervous are involved in response to stimuli.

Answer 1

The answer is provided below