a process of continuous change from a lower, simpler, or worse to a higher, more complex, or better state

trace of an organism of past geologic ages that has been preserved in the earth's crust

a relatively permanent change in hereditary material that involves either a change in chromosome structure or number

a group united by common traits

adjustment to environmental conditions

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Evolution

Question	Answer
Evolution	a process of continuous change from a lower, simpler, or worse to a higher, more complex, or better state
Fossil	trace of an organism of past geologic ages that has been preserved in the earth's crust
Mutation	a relatively permanent change in hereditary material that involves either a change in chromosome structure or number
Species	a group united by common traits
Adaptation	adjustment to environmental conditions