Species - West Ada
... Unit 5 Vocabulary: Change Gradualism: The theory that evolution occurs slowly but steadily. Biodiversity: The number of different species in an area. Adaptation: A trait that helps an organism survive or reproduce. Variation: Any difference between individuals of the same species. Natural Selection: ...
... Unit 5 Vocabulary: Change Gradualism: The theory that evolution occurs slowly but steadily. Biodiversity: The number of different species in an area. Adaptation: A trait that helps an organism survive or reproduce. Variation: Any difference between individuals of the same species. Natural Selection: ...