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chapter 18 vocab

science chapter 18 vocab test February 3

TermDefinition
Charles Darwin credited for the theory of natural selection and states that evolution happens by natural selection
Galapagos Islands source of Darwin's theory of evolution and most species were similar but different from each other
Common Ancestors ancestral organism shared by two or more descendant lineages
natural selection process by which organisms with variations that help them survive in their environment live longer, compete better, and reproduce more than those that don't have variations
adaptation the action or process of adapting or being adapted
camouflage a defense or tactic that organisms use to disguise their appearance, usually to blend in with their surroundings
mimicry adaptation in which one species looks like another species
variation a slight difference in an inherited trait of individual members of a species
related belonging to the same family, group, or type
artificial selection the process of breeding plants or animals for their desirable traits by an outside source
evolution the gradual development of something, especially from a simple to a more complex form
comparative anatomy study of the body structures of different species of animals in order to understand the adaptive changes
Created by: Kenz_Michelle
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