Why are most autotrophs referred to as the producers of the biosphere?

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays

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

Across of blue x blue (both heterozygous) would result in