Across
- 4. Plant growth toward water
- 8. System that enables the body to move
- 10. Stable plant and animal community
- 11. pioneer species that grows on rock, a mix of algae and fungi
- 15. Largest level of ecological organization
- 18. Requires sunlight to make glucose
- 19. System controls body activities and processes using electrochemical signal
- 21. System breaks food down into smaller, simpler molecules
- 23. Succession in which take 50-100 years to reach a climax community
- 24. relationship in which one organism benefits while the other is not affected
- 26. Leaf structure that allows for gas exchange
- 28. Relationship where one organism benefits while the other is harmed
- 29. community of the first living things to move into a new environment
- 30. Type of succession which begins with barren rock, no soil
Down
- 1. Variety of organisms that live within a given area
- 2. Plants growth in response to gravity
- 3. Organisms that belong to the same species in the same physical area
- 5. The evaporation of water through stomata in plant leave
- 6. System protects the body from pathogens
- 7. Plants response to touch
- 9. Requires glucose to make ATP
- 12. Populations of different species
- 13. Plant growth toward light
- 14. System protects the inner body and includes the nails, hair, and skin
- 16. System that sends signals to specific parts of the body by releasing hormones
- 17. an inherited trait that increases an individual’s chance of survival
- 20. Symbiotic relationship in which both organisms benefit
- 22. Increase the rate of reactions in the body
- 25. System that removes waste from the blood, consist of bladder and kidneys
- 27. nonliving factor in an ecosystem