| A | B |
|---|
| arid | very dry |
| disperse | spread very far and wide |
| abiotic | nonliving factors in our enviroment (air, water) |
| carrying capacity | how many organisms can live in one area without starving |
| trophic levels | feeding relationships in a food chain or pyramid |
| omnivore | eats plants and animals |
| carnivore | eats only meat |
| herbivore | eats only plants |
| decomposer | breaks down dead material for food |
| producer | also called an "autotroph"--uses light for energy |
| consumers | eat producers or other consumers |
| symbiosis | a relationship between two organisms |
| species | a group of organisms that can interbreed and produce fertile offspring |
| heat | 90% of all energy lost at each trophic level |
| metabolism | all of the chemical reactions that occur in your body |
| arrows | Always show the flow of energy and points to the CONSUMER |
| scavenger | consumers that eat dead animals |
| diversity | the number of different kinds of plants and animals in an area |
| biomass | dry mass of living organisms |
| natural selection | cause and effect of survival of the most genetically fit organisms |
