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DJ Vocab

Vocabulary chapter 15

TermDefinition
Evolution Change in a kind of organism over time; process by which modern organisms have descended from ancient organisms.
Theory Well-tested explanation that unifies a broad range of observations.
Fossil Preserved remains or evidence of an ancient organism.
Artificial Selection Selection by humans for breeding of useful traits from the natural variation among different organisms.
Fitness Ability of an organism to survive and reproduce in its environment.
Adaptation Inherited characteristic that increases an organism's chance of survival.
Survival Of The Fittest Process by which individuals that are better suited to their environment survive and reproduce mose successfully; also challed natural selection.
Natural Selection Process by which individuals that are better suited to their environment survive and reproduce most successfully; also called survival of the fittest.
Homologous Structure Structures that have different mature forms in different organisms but develop from the same embryonic tissues.
Vestigial Organ Organ that serves no useful function in an organism.
Created by: DJ Sosa
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