In nature, which pigment gives red algae its color? a. phycoerythrin b. fucoxanthin c. chlorophyll d. peptidoglycan e. chitin

The answer is A. phycoerythrin I believe

phycoerythrin

Explanation:

i got this one right on plato

the oceanic zone is typically defined as the area of the ocean lying beyond the continental shelf, but operationally is often referred to as beginning where the water depths drop to below 100 meters (328 feet), seaward from the coast to the open ocean.

explanation:

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.