The answer is Porifera.
Porifera is phylum that includes sponges. <span>Their body is full of holes and it is easily for water to enter and exit these holes. </span>Sponges are commonly used for washing the dishes, but it is most likely that these are artificial sponges. Still, they are made modeled by real sponges. Rarely, the real sponges are used as bath or dish washing.
A. The chick of another loon living near Crystal Lake
Reason: B is incorrect because it is not in the same lake
C. Is incorrect because a bluegill is not the same species, therefore it does not contribute to the loon population
D. Is incorrect because that was 40 years ago, and is not current. That loon no longer contributes to the loon population.
Answer: Natural selection
Explanation: Organisms with more advantageous allele are more likely to survive and pass on these alleles to their viable offspring
