| A | B |
|---|
| All living and nonliving things in an environment & the many ways they interact | ecosystem |
| All the members of one species that live within an area of an ecosystem | population |
| Area or place where an organism lives in an ecosystem | habitat |
| Living thing that makes its own food | producer |
| Living thing that eats other living things | consumer |
| Organism that breaks down plant & animal waste and remains | decomposer |
| Animal that eats plants | herbivore |
| Animal that eats other animals | carnivore |
| Animal that eats both plants & other animals | omnivore |
| The transfer of energy from one organism to another by eating & being eaten | food chain |
| System of overlapping food chains in which the flow of energy branches out in many directions | food web |
| scientist from Mexico who discovered that chemicals from aerosol sprays were harming the atmosphere | Dr. Mario Molina |
| Large areas that share similar wildlife & climate, usually much larger than ecosystems | biome |
