change in a kind of organism over time; process by which modern organisms have descended from ancient organisms

well-tested explanation that unifies a broad range of observations

selection by humans for breeding of useful traits from the natural variation among different organisms

ability of an organism to survive and reproduce in its environment

inherited characteristic that increases an organism's chance of survival

process by which individuals that are better suited to their environment survive and reproduce most successfully; also called natural selection

sructures that have different mature forms in different organisms but develop from the same embryonic tissues

organ that serves no useful function in an organism

Proposed that if the human population grows unchecked there will not be resources to support them

Propes that organisms adapt in their lifetime though the selective use and disuse of traits

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