| Across |
| 2. |
an organism that cannot make its own food |
| 4. |
describes non-living things in the environment |
| 7. |
a biological community of interacting organisms and their physical environment |
| 8. |
an organism that makes its own food |
| 9. |
describes living factors in the environment |
| 11. |
the variety of life in a particular habitat |
| 12. |
the study of how living things interact with each other and their environment |
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|
| Down |
| 1. |
a species that influences the survival of many other species in an ecosystem |
| 3. |
the largest population that an environment can support at any given time |
| 5. |
consists of all life on Earth, including land, water, and the atmosphere |
| 6. |
a group of organisms inhabiting the same region and interacting with each other |
| 10. |
a group of ecosystems that share similar climates and typical organisms |
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