Across
- 4. mature and stable ecosystem in its final stages of development in ecological succession
- 7. variety of different species in an environment
- 8. a community of living and nonliving parts of the environment
- 9. organisms that make their own food from water, carbon dioxide, and light energy from the sun or chemical energy from deep sea vents
Down
- 1. stages of growth where initial colonization of an area starts with bare rocks
- 2. re-population of an area that starts with bare soil left behind after a disturbance
- 3. nonliving parts of the environment
- 5. organisms that depend on others for food, they eat to obtain energy
- 6. living parts of the environment
