| A | B |
|---|
| The living and once living parts of an ecosystem, including all the plants and animals, are _____ factors in the ecosystem. | biotic |
| The nonliving parts of an ecosystem, such as rocks, light, air, and temperature, are _____ factors in the ecosystem. | abiotic |
| Raccoons in Tennessee and raccoons in Illinois are members of the same _____, while all raccoons in a forest in Wisconsin are a(n) _____ of raccoons. | species, population |
| The place where an organism lives and that has the resources the organism needs is its... | habitat |
| Not a biotic factor in an ecosystem. | air |
| Not an ecosystem | utility pole |
| The energy for most ecosystems comes from... | the sun |
| Individual of living things | organism |
| All the members of the same species that live in the same place at the same time | population |
| Living and once living parts of an ecosystem | biotic factors |
| Nonliving parts of the ecosystem | abiotic |
| Group of organisms that can mate to produce fertile offspring | species |
| All of the organisms living in an area together with their physical environment | ecosystem |
| A group of various species that live in the same place and interact with each other | community |
