CORRECT DETAILED ANSWERS
UNIVERSITY OF TORONTO
HIGHLY STUDIED
GRADED A+
QUESTIONS AND ANSWERS
species. ANSWER - A group of similar organisms that can breed and produce fertile
offspring.
fossil. ANSWER - A trace of an ancient organism that has been preserved in rock
adaptation. ANSWER - A trait that helps an organism survive and reproduce
evolution. ANSWER - Change in a kind of organism over time; process by which
modern organisms have descended from ancient organisms.
scientific theory. ANSWER - A well tested concept that explains a wide range of
observations
natural selection. ANSWER - Process by which individuals that are better suited to
their environment survive and reproduce most successfully; also called survival of
the fittest
artificial selection. ANSWER - Selection by humans for breeding of useful traits from
the natural variation among different organisms
variation. ANSWER - Difference among members of a species.
homologous structures. ANSWER - Structures in different species that are similar
because of common ancestry.