| A | B |
|---|
| environment | all the living and nonliving things that surround you |
| ecosystem | all the living and nonliving things in a area form an------ |
| population | a group made up of the same kind of individuals living in the same ecosystem is a ---- |
| community | all the populations that live in the same place |
| biotic | living parts of an ecosystem |
| bio | life |
| abiotic | nonliving parts of an ecosystem (air, water, soil, sunlight) |
| diversity | the number of different kinds of living things |
| pollution | when harmful substances mix with water, air, or soil |
| habitat restoration | repairs done to ecosystems |
