Across
- 4. the temperature and moisture patterns in an area over a long period of time
- 10. travelling to a place to see its natural features without destroying the natural environment
- 11. plants release this gas into the air that is beneficial to humans
- 12. dead plant and animal matter that mixes with the soil to make it more fertile
- 13. the close to this a place is the more likely it is to have more vegetation
- 14. areas of the world that are dominated by grass like the prairies in Canada
- 15. when soil becomes dry and loses moisture due to high temperatures and little moisture
- 16. types of forests where the trees drop their leaves for part of the year
- 18. animals that naturally live in specific region
- 19. areas of the world that receive less than 250 mm of precipitation per year
- 20. areas of the world that are dominated by trees
- 21. the higher this is the more difficult it is for plants to grow
- 22. when animals do to much of this too much sunlight gets through to the soil making it difficult for the soil to retain moisture
- 23. when all of the animals in a particular species die out because of habitat loss
Down
- 1. snow and rain are examples of this
- 2. the day to day weather and temperature conditions in an area
- 3. forests where the trees stay green all year and many of the types of trees have pine cones
- 5. plants use this gas that is expelled by humans
- 6. the variety of plant and animal life around
- 7. this part of plants helps to hold the soil in place
- 8. cutting down trees to clear space for living and farming
- 9. this part of plants captures sunlight and moisture helping the to grow
- 12. different regions of the world that provide food and shelter for animals
- 17. trees grass and other plants that grwo in different areas of the world
