| A | B |
|---|
| consumer | at the top of the food chain and receives th least amount of energy in the energy pyramid |
| population density | the specific number of animals in a definite area |
| producers | the first level of a food chain and the largest part of the energy pyramid |
| ecology | the study of living organisms and they environment |
| limiting factor | limits the number of organisms in an environment |
| water | cell fluids are mostly this compound |
| carrying capacity | the largest number of organisms that an environment can support |
| biotic factor | living |
| abiotic factor | non-living |
