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Science Vocab
| Term | Definition |
|---|---|
| cell | the basic unit of life |
| DNA | genetic material of all living things |
| stimulus | causes a reaction in an organ or cell |
| evolution | change in the heritable traits of biological populations over successive generations |
| natural selection | one of the basic mechanisms of evolution |
| artificial selection | intentional breeding of plants or animals |
| extintion | occurs when all individual species dies |
| mutation | permanent alteration of the nucleotide sequence of the genome of an organism, virus |
| homeostasis | is the property of a system in which variables |
| sexual reproduction | two parents produce offspring that share characteristics of both parents |
| asexual reproduction | single parent produces offspring that is identical |
| variation | when offspring have slightly differences in traits |
| adaptation | inherited trait that helps organisms survive |
| species | a group of organisms that are closely related |