Across
- 3. characteristics that enable plants and animals to be successful in a particular environment
- 7. something that has mass and takes up space
- 11. process turns sunlight into energy
- 12. two or more atoms chemically combined
- 13. relationship where one benefits while the other species neither benefit nor are harmed
- 15. the energy of motion
Down
- 1. stored energy
- 2. a relationship where one organism lives on or in another organism causing it harm
- 4. occurs when an organism dies and its body is broken down to simpler parts
- 5. measures how acidic or basic a substance is
- 6. animal hunted for food
- 8. the smallest component of an element
- 9. study of the relationships between living organisms and their physical environment
- 10. made up of only one kind of atom
- 11. animal that eats other animals
- 14. association between organisms of two different species in which each benefits
