| A | B |
|---|
| organism | any living thing made up of cells |
| reproduction | ability of an organism to produce more of the same kind |
| stimulus | anything that produces a change in how an organism responds |
| adaptation | inherited trait that helps an organism to survive |
| extinction | disappearance of a species |
| endangered species | organisms that are in danger of becoming extinct |
| classification | any system used to group things by similarties |
| kingdom | most general and largest group of organisms |
| phylum | subgroup of kingdom |
| genus | subgroup of family |
| species | subgroup of genus |
