Which gland the body prepare for and deal with stress

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.

In the practice of science, this type of reasoning is used to develop explanations.