| A | B |
| Niche | activity within an ecosystem that an animal does to survive |
| Community | All of the populations in an ecosystem. |
| Population | One type of living thing |
| Environment | everything in an ecosystem |
| Prey | animals that are hunted |
| Predator | An animal that hunts |
| Ecosystem | communities and environments. (air, water,temperature, soil and light |
| Habitat | The place where things live |
| Photosynthesis | The process used to make food. |
| Dichotomous Key | A tool used to classify things. |
| Compass Rose | used to show direction. |
| Map Key | used to identify things on a map. |
| Life Processes | 6 things things must do |
| Nutrients | things needed to live. |
| Carnivore | A meat eater. |
| Herbivore | A plant eater. |
| Omnivore | eats plants and animals. |
| Producers | make their own goods. |
| Consumers | use things made by others. |
| Benificial | Good things |
| Detrimental | Bad things |
| Survival | The act of staying alive. |