What does it mean for an organism to be anaerobic?

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 carrier molecules of the electron transport system are located in the

2points what do bacteria have in common with the cells of other living organisms?