Across
- 2. The theory that all organisms strive to be the fittest of them all in the environment.
- 4. The part of the plant that makes sugar and food.
- 7. The part of the plant that gets nutrients and water from underground.
- 8. A web that contains multiple animals and arrows
- 9. An organism that makes its own food
- 12. The process that plants do in order to make food or energy.
Down
- 1. An organism that eats other organisms for food.
- 3. The change of species over-time created by Charles Darwin.
- 5. The Highest predator or animal on the pyramid.
- 6. A chain that contains one set of predator-prey relationships
- 10. This is where plants get their energy.
- 11. Something that all organisms need.