| A | B |
|---|
| Photosynthesis | the process in which plants make their own food |
| Organisms | is a living thing that has (or can develop) the ability to act or function independently. It is the highest level of a cell organization |
| Ecosystem | all the living and nonliving things in an environment and the many ways they interact |
| Population | all the members of a species that live within an area of an ecosystem |
| Community | different populations that interact with each other in the same area |
| Niche | the specific role an organism has in its habitat |
| Omnivores | consumers that eat both plants and animals |
| Herbivores | consumers that get energy by eating only plants |
| Carnivores | consumers that eat only animals |
| Decomposers | organisms that live and grow by breaking down the waste and remains of dead plants and animals to obtain nutrients-primary decomposers are fungi (mushrooms) and bacteria. Some insects are decomposers. |
| Food chain | the process by which energy moves from one type of living thing to another. |
| Food web | a system of overlapping food chains in which the flow of energy branches out in many directions. |
| System | is made of many parts that work together for a purpose. It can have living and nonliving parts. Each part is important. |
| Producers | living things that make their own food (plants) |
| Consumer | living things that eat other organisms (omnivores, herbivores, carnivores & scavengers) |
