2 DISEASES CAUSED BY MICROBES

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?

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

What are 3 reasons that natural selection occurs