Across
- 2. penguins have special __ to remove salt
- 4. type of grasses with deep roots to reach water
- 6. the number of temperate rainforests
- 9. where an ice sheet still exists
- 11. an oak tree has this to protect itself
- 14. the color of a polar bear's skin
- 15. type of plant with dark leaves to attract heat
- 18. orcas use this to find their prey
- 19. arctic flower that always faces the sun
- 20. penguins can swim up to __ km/hr
- 21. the percent of the Earth's freshwater locked in ice
- 22. has warm wet summers and dry winters
- 24. the polar ice caps are __ in the winter
- 25. a significant threat to the savannas
Down
- 1. a bird with solid bones so it sinks in water
- 3. formed by symbiosis of algae and fungus
- 5. is always cold
- 7. what a group of orcas is called
- 8. keeps many animals warm
- 10. a main threat to a forest
- 11. type of tree with flexible branches so snow won't break them
- 12. orcas slow their __ to stay underwater longer
- 13. polar bears have this on their feet so they can grip the ice
- 16. means "a mountain"
- 17. the coldest biome
- 23. type of ears to help owls hear very well