What is an example of phototropism?

What molecule contains an organisms genetic material, passed down from parents to their offspring

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

This is an active transport mechanism by which cells pump sodium and potassium ions against the concentration gradient