Across
- 5. don’t make thier own food.
- 6. an organism that eats plants and animals.
- 9. work to convert light energy from the sun into sugars.
- 10. a relationship through two organisms in which one receives benefits from the other one without hurting it.
- 12. the limit of population of a species.
- 15. the power house of the cell.
- 17. the killing by one living organism of another for food.
- 18. the movement of animals from one place to another.
- 19. an animal that eats dead plants and animals.
- 20. the relationship between two species where one benefits and one is caused some harm.
- 22. a group of animals living in the same place or having a characteristic in common.
- 25. when an animal leaves on place and goes to another place and stays there permanently.
- 26. a mutual relationship between two different relationships.
- 28. are the starting materials in a chemical reaction and are converted into products.
- 29. species formed by chemical reactions.
Down
- 1. animals that eat meat.
- 2. is a community of living organisms.
- 3. the first species to colonize an area.
- 4. are animals that only eat plants.
- 7. many animals that make up a species.
- 8. the factor that causes the growth of a population to decrease.
- 11. a group of animals who are similar and are called a name. (ex. Cats)
- 13. the act of breathing.
- 14. is when plants use light energy from the sun and turns it into chemical energy.
- 16. the act of an organism changing to better suit the environment it's in.
- 21. when several animals share a characteristic.
- 23. when two organisms from two different species interact in which both organisms benefit.
- 24. living organisms together in an environment.
- 27. an organism that can make its own food.
