| A | B |
| Ecology | The study of interactions between living things and where they live |
| Biotic | A way to describe LIVING organisms. |
| Abiotic | A way to describe all the physical parts of the environment (soil, water, light, rocks, and temperature) NOT LIVING |
| Population | A group of organisms that are the same species and live in the same place at the same time. |
| Community | All the populations of different species that live and interact in the same area. |
| Ecosystem | Made up of a community of organisms and it’s abiotic environment. |
| Biosphere | Part of the earth where life exists. |
| Producer | Organisms that use sunlight directly to make food. (Plants, algae and some bacteria) |
| Consumer | Organisms that eat producers or other organisms for energy (People and most animals) |
| Herbivore | A consumer that eats plants. |
| Carnivore | A consumer that eats animals. |
| Omnivore | A consumer that eats plants and animals. |
| Scavenger | Consumers (animals) that feed on dead animals. |
| Decomposer | Organims that get their energy by breaking down the remains of dead of organisms (bacteria and fungi) |