Across
- 4. allows animals to maintain their body temperature in harsh conditions.
- 6. plants produce long stems, that break off and lay down roots.
- 9. trap air, are white and big.
- 11. a small bulb that breaks off and the roots grow into a new plant.
- 13. Plants that live up to two years.
- 15. allows smaller animals to hide food and themselves from predators.
- 16. the land of sedges,mosses, grasses and lichens is called_______
- 17. some plants use this to get amino acids.
- 18. Are the first living organism to arrive, can grow on bare rock.
Down
- 1. fine and traps warm layers trapped by the body
- 2. allows animals to blend with the environment
- 3. dome shaped hills called_____
- 4. animals without a backbone are called_________
- 5. oily, fat layer that is between the skin and muscle.
- 7. Provides isolation by trapping air that the body warms.
- 8. courser and waterproof.
- 9. the frozen earth is called__________
- 10. allows warm blooded animals to survive harsh winter conditions.
- 12. something that allows animals to remove lots of snow are called _______
- 14. Something that prevents heat loss and is small is called________
- 17. a specific characteristic within a community of organisms.