| A | B |
|---|
| Abiotic | Non-Living |
| Biotic | Living |
| Heterotroph | Refers to an organism that cannot make their own food and rely on eating other organisms to obtain their energy |
| Autotroph | Refers to an organism that can feed itself by using the energy from the sun to go through the process of photosynthesis |
| Food Chain | A model or diagram of how energy flows through one line in a food web |
| Food Web | A model or diagram of the interactions of many different food chains in an ecosystem |
| Energy Flow | The transfer of energy through an ecosystem from the sun to producers, to herbivores, to carnivores and ultimately decomposers |
| Consumer | A living thing that gets its food by eating other living things or remains of other things |
| Decomposer | organisms that breaks down the remains of a once living organism into such forms as carbon dioxide, water and oxygen |
| Producer | Organism that is capable of making its own food from inorganic molecules |
| Biomass | The total mass of living material within a given area |
| Succession | The gradual and orderly process of ecosystem development brought about by changes in community composition. |
| Niche | The role that a population or species plays in an ecosystem (where it lives, what it eats, who it interacts with, and mating habits.) |
| Habitat | The physical "address" where an organism lives. |
