| A | B |
|---|
| Ecosystem | All of the organisma living in an area together with their physical environment. |
| Biotic factors | Living and once living parts of an ecosystem. |
| Abiotic factor | Nonliving parts of an ecosystem. |
| Organism | Individual living thing. |
| Species | Gropu of organiams that can mate and produce fertile offspring. |
| Population | All the members of the same species that live in the same area at the same time. |
| Community | Group or various species that live in the same place and interact with eachother. |
| Habitat | Place an organism lives. |
| Natural Selection | The survival and reproduction of organisms with particular traits. |
| Evolution | A change in the genetic characteristics of a population from one generation to the next. |
| Adaptation | Inherited trait that increases on organism's chance of survival and roproduction in a certain environment. |
| Artificial selection | Selective breeding of organisms by humans for specific characteristics. |
| Resistance | the ability of one or more organisms to tolerate a particular chemical designed to kill it. |
| Archaebacteria | often found in hot places. |
| Eubacteria | Can be found in soil and animal bodies. |
| Fungus | Organism whose cells have nuclei and cell walls |
| Protists | Deverse group of one celled organisms and their many celled relatives. |
| Gymnosperms | Woody plants that produce seeds, but their seeds are not enclosed in fruit. |
| Angiosperm | Flowering plants that prroduce seeds in fruit. |
| Invertebrates | NO Backbone |
| Vertebrates | Have Backbone |
