Across
- 1. all the living organisms of an ecosystem.
- 4. organisms that live at the bottom of a lake or sea or other body of water. sometimes referred to as benthos ( plural).
- 5. how reflective a surface, like ice, is.
- 8. plants that live more than 2 years
- 9. frozen soil underneath the permanent ice
- 10. an organism that has a naturally warm internal temperature
- 13. tracing of descent through the female line
- 16. long plant stems that grow along the ground and then break off and plant roots
- 18. thick feathers that trap heat
- 19. a specific place in an ecosystem where a organism fits into a process
- 21. fur coarse waterproof layer of fur
Down
- 2. the land of grasses, lichens, mosses, and sedges
- 3. a low growing and fuzzy plant
- 4. a layer of fat that preserves heat
- 6. the corpses of dead animals
- 7. organisms without a spinal cord
- 11. loss of material from a glacier
- 12. hills of ice concealing huge water chambers inside of them
- 14. Fixing Bacteria helps plant to survive in poor soil
- 15. a small bulb that breaks away and puts down it's own roots
- 17. fur soft downy layer of fur
- 20. The formation of an iceberg from a glacier.