Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in heritable traits of a population over time. The term "natural selection" was popularised by Charles Darwin who compared it with artificial selection, now more commonly referred to as selective breeding.
Answer:
A
Explanation:
A because water is a essential resource to humans and all types of life.
<span>C. more likely to have a gastrovascular cavity</span>
