| A | B |
|---|
| biotic | living things |
| abiotic | nonliving |
| habitat | a species specific environment "home" |
| competition | is the struggle for resources among organisms |
| autotroph | self feeder |
| producer | organism that makes its own food from energy and carbon atoms in its environment |
| heterotroph | organism that must get energy from food sources |
| herbivore | organism that eats only plants and algae |
| carnivore | flesh eating organism (eat other animals) |
| consumer | organism that must obtain energy to build its molecules by consuming other organisms |
| decomposer | organism that causes decay |
| niche | the specific role an organism plays in its habitat |
| ecology | is the study of the interactions of living organisms with one another and with their physical environment |
| ecosystem | consist of a community and all the physical aspects of its habitat. The living and non-living environment interacting together. |
| population | A group of organisms of one species that interbreed and live in the same place at the same time (e.g. deer population |
| community | An ecological unit composed of a group of organisms or a population of different species occupying a particular area, usually interacting with each other and their environment. |
| biome | A major ecological community of organisms adapted to a particular climatic or environmental condition on a large geographic area in which they occur |
| biosphere | 2) The part of the earth (or planet) that is capable of supporting life. |
| food chain | flow of energy illustrates the relationship between prey and predator |
| food web | a network of interconnected food chains in an ecosystem |
