Across
- 3. An overly high number of one species
- 6. An organism that produces (makes) its own energy from the sun
- 7. Features that living things have developed over time to help them survive in their habitat
- 8. An animal that gets hunted by predators
- 9. Humans can make ________ that have an effect on things around them
Down
- 1. A system of connected food chains
- 2. An animal that can eat both plants and meat
- 4. A community of organisms and their environment that are connected to each other
- 5. An animal that hunts other animals for food
- 9. An organism that eats other things to get energy