Question

1. review and summarize coral reef formation and coral reproduction strategies
2. describe the difference between a polyp and medusa. which body form do corals have their entire lives?
3. what are corals, and how are they classified biologically?

Explanation:

The questions are about corals, their biological classification, body forms (polyp vs medusa), and reef formation/reproduction. These topics relate to the study of living organisms, specifically marine organisms and their biological characteristics, which falls under Biology (a subfield of Natural Science).

Answer:

The subfield is Biology (under Natural Science).