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Unit six

Science Unit 6

QuestionAnswer
Evolution the process in which inherited characteristics within a population change over generation such that new species sometimes arise
Artificial selection the human practice of breeding animals or plants that have certain desire traits
Natural selection the process by which individuals that are better adapted to their environment survive and reproduce more successfully that less well adapted individuals do.
Variation the occurrence of hereditary or nonhereditary differences between different individuals of a population
mutation a charge in the nucleotide-base sequence of a gene or DNA molecule
Adaptation a characteristic that improves an individuals ability to survive and reproduce in a particular environment.
Extinction the death of every member of a species
Fossil the trace or remains of an organism that lived long ago most commonly preserved in sedimentary rock
Fossil record the history of life in the geologic past as indicated by the traces or remains of living things
Geologic time scale the standard method used to divide Earth's long natural history into mangeable parts.
Created by: ks.28966
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