Why do all vertebrates look similar in the early stages of their development Descended from a common ancestor

Low key I have no idea

Because theyre all mammals

During a fierce storm a large number of tall trees on an island are uprooted by the wind and die. most of the trees on the island are now short trees and produce seeds that grow into short trees. what concept is shown in this example? question 5 options: natural selection artificial selection genetic engineering gene splicing