Which of the following is not a part of darwin’s theory of evolution? a. changes in organisms occur immediately. b. organisms change over time. c. species evolution occurs through natural selection. d. organisms developed from common ancestors.

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.

For a comparative or experimental investigation, scientists often make a testable about a scientific question, and then they test it in the investigation. a. control b. hypothesis c. procedure d. system

What advantages does a pedigree have over a written passage?