Answer:
All animals share a common ancestor.
Explanation:
All living organisms including animals have evolved from common ancestral organism. It is evident from various researches in relation evolutionary diversification of species. The process by which numerous variety of species are formed from a common ancestor is known as speciation. The attached diagram showing the phylogeny tree of life is a solid evidence of common ancestral origin of life.
The fish would die out for the reason of there is no source of food.
A - has a low diversity of genes therefore they are having issues w the breed not becoming strong but instead weaker
Because the snails blend in with the light filled environment which allows them to blend in