| A | B |
| Omnivores | Meat and Plant eating Consumers |
| Carnivores | Meat Eating Consumers |
| Herbivores | Plant Eating Consumers |
| Consumers | Animals that get energy by eating other organisms |
| Producers | Use Sun for food through photosynthesis |
| Abiotic Factors | Non-Living things |
| Biotic Factors | Living organisms |
| Ecosystem | Organisms interactivng with one another and with their physical environment |
| Community | Organisms that live together in an ecosystem |
| Population | Organisms of the same kind in a community |
| The Sun | Life's Energy Supply |
| Decomposers | feeds on the wastes of livng organisms and on dead, decaying organisms |
| Parasitism | One organism lives off of, feeds upon, and harms another organism |
| Example of Parasitism | Lice, fleas, ticks |
| Commensalism | One species benefits while the other species seems to be unaffected |
| Example of Cammensalism | Crab spiders |
| Mutualism | All species that take part benefit |
| Example of Mutualism | Bees and Flowers |
| Predator | An organism that hunts and eats other organisms |
| Prey | An organism that is hunted and eaten |
| Examples of Predator | Lion, Humans, Sharks, Owls |
| Examples of Prey | Squirrels, Mice, Deer |
| Examples of Producers | Trees, Vines, Bushes, Grass |
| Examples of Consumers | Box-Turtles, Wolves, all other living things |
| Examples of Decomposers | Worms, Bacteria |
| Example of Omnivores | Humans |