| A | B |
| Habitat | a place where an animal or plant lives |
| Ecosystem | all the living and nonliving things in an environment and how they interact |
| Chlorophyll | the green substance found in plants that traps energy from the sun and gives plants their green color |
| Carbon Dioxide | a gas found in air |
| Photosynthesis | a process by which plants change light energy from the sun and use it to make sugar |
| Producer | a living thing that uses sunlight to make sugar |
| Consumer | a living thing that gets energy by eating plants and other animals |
| Herbivore | a consumer that eats plants |
| Carnivore | a consumer that eats other consumers |
| Omnivore | a consumer that eats both plants and other consumers |
| Scavenger | an animal that eats dead animals |
| Decomposer | a consumer that puts materials from dead plants and animals back into the soil, air, and water |