Chapter 15: Evolution Biology

Question	Answer
Evolution	change over time; the process by which modern organisms have descended from ancient organism.
Theory	a well-supported testable explanation of phenomena that have occurred in the natural world.
Charles Darwin	-theory of evolution -"fossils"
Fossils	preserved remains of ancient organisms.
artificial selection	nature provided the variation and humans selected those variations that they found useful.
struggle for existence	means that each of species compete regularly to obtain food, living space, and other necessities to live.
fitness	Darwin: fitness is the result of adaptations.
adaptation	is any inherited characteristic that increases an organism's chance of survival.

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	Created by Hannah Sullivan over 7 years ago