| A | B |
|---|
| ecology | study of organisms |
| habitat | the physical location where an organism lives |
| biome | a major type of terrestrial ecosystem |
| biosphere | all the living and non living parts of the earth |
| conservation | protection and management of natural resources |
| ecological succession | change in the community in which new populations replace old ones |
| food web | all the interconnected food chains into a community |
| food chain | flow of energy from one organism to another |
| ecosystem | community of organisms in an area as well as nonliving factors of the enviornment |
| niche | way of life of a population and how it relates to the enviornment |
| producer | organisms that can make their own food |
| consumer | organisms that feed on others |
| decomposer | organisms that feed on dead material |
| omnivore | animal that eats both proucrs and consumers |
| scavenger | animal that feeds on the remains of the dead |
| herbivore | consumer tht eats only plants |
| carnivore | an animal that eats only other animals |
| primary consumer | organisms that feed directly on producers |
| secondary consumer | organisms that feed on primary consumers |
| tertiary consumer | organisms that feed on secondary consumers |
