Across
- 1. the process in which plants make their own food
- 4. factors the nonliving things in the environment
- 5. openings that can close and prevent water from escaping
- 7. this is produced during photosynthesis and humans need it to breathe
- 9. the evaporation of water from a plant's leaves
- 12. a type of species that is introduced to a new ecosystem and causes harm
- 13. the plant tissue through which water and minerals move up from the roots
Down
- 1. organisms that hunt for their food
- 2. a scientist who studies insects
- 3. a necessary item for photosynthesis to take place
- 6. factors all of the living things in an environment
- 8. the ability to perform work or change something
- 10. tissues that transport sugars to all parts of the plant
- 11. the place in an ecosystem where an organism lives