|
 organism | a living thing; anything that can carry out life processes independently |
| population | a group of organisms of the same specific geographical area. |
| community | all of the population of species that live in the same habitat and interact with each other. |
| ecosystem | a community of organisms AND their abiotic environment |
| biosphere | the part of the earth where life exists |
| biome | a large region characterized by the type of climate and certain types of plant and animal communities. |
| biotic | describes the living factors in the environment |
| parasite | an organism that feeds on an organism of a different species. |
| abiotic | describes the nonliving factors of an environment |
| host | an organism from which a parasite takes food or shelter |
| producers | on organism that can make its own food |
| consumer | an organism that eats other organisms to make energy |
| decomposer | an organism that gets energy by breaking down the remains of a dead organism |
| herbavore | an organism that eats only plants |
| carnivores | an organism that eats animals |
| food web | diagram that shows the feeding relationships between organisms and ecosystems |
| food chain | the pathway of energy transfer through various stages as a results of the feeding |
| omnivores | organisms that eat both plants and animals |
| symbiosis | a relationship in which two organisms help each other |
| carrying capacity | the number of individuals of a species in an area over time. |