The sum of all the genes in a population is referred to as the gene pool.
Answer:
Coral reefs interact with the hydrosphere by keeping the ocean cleaner and less waves.
Explanation:
The answer is D, algae.
—Evidence—
•] Protozoan definition: a single-celled microscopic animal of a group of phyla of the kingdom Protista, such as an amoeba, flagellate, ciliate, or sporozoan.
•] it does not feature algae, therefore it’s D.
