| Term | Definition |
|---|
| ecosystem | is all of the organisms living in an area together with their physical environment |
| biotic factors | the living and once living parts of an ecosystem |
| abiotic factors | the nonliving rocks, sand, light and temperature of an ecosystem |
| organism | is an individual living thing |
| species | a group of organisms that are closely related and that can mate to produce fertile offspring |
| population | is all the members of the same speices that live in the same place at the same time |
| community | a groupof various species that live in the same place and interact with each other |
| habitat | the place an organism lives |
| natural section | a term that describes the unequal survival and reproduction that results from the presence or absence of particular traits |
| evolution | a change in the genetic characteristics of a population from one generation to the next |
| adaptation | an inherited trait that increases an organisms chance of survival and reproduction in a certain environment |
| artificial selection | the selective breeding of organisms by humans for specific characteristics |
| resistance | the ability of one or more organisms to tolerate a particlar chemical designed to kill it |
| bacteria | are microscopic, single celled organisms that usually have cell walls and reproduce by dividing in half |
| fungus | an organism whose cells have nuclei, cell walls, and no cholorphyll |
| protists | a diverse group of organisms the belongs to the kingsom protista |
| gymnosperms | woody plants whose seeds are no enclosed in fruit Pine tress evergreens |
| angiosperms | flowering plants that produce seeds in fruit |
| invertebrates | animals that lack a backbone |
| vertebrates | animals with a backbone |
Combine with other sets
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