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Unit 4

    
Across
a natural process resulting in the evolution of organism’s best adapted to the environment
method of breeding that allows only those individual organisms with desired characteristics to produce the next generation
A period of inactivity that some animals experience in winter that allows them to survive on stored body fat
Having from birth; inborn; occurring naturally rather than being learned.
Change in a kind of organism over time; process by which modern organisms have descended from ancient organisms.
Down
A group of similar organisms that can breed and produce fertile offspring.
Process by which individuals that are better suited to their environment survives and reproduce most successfully; also called survival of the fittest
Nonliving vascular tissue that carries water and dissolved minerals from the roots of a plant to its leaves
A characteristic that improves an individual’s ability to survive & reproduce in a particular environment.
movement of organisms from one region to another