Somebody help me please

What is the function of nucleic acids

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

The most famous fossil called archaeopteryx is which of the following? a dinosaur a fern a fish a bird