Across
- 1. - living organisms which eat organic matter
- 5. - egg-laying vertebrate with feathers, beak, and wings
- 7. - an area of low land between mountains or hills
- 8. - the saltwater that covers most of the surface of the Earth
- 9. - part of the tree that grows from trunk
- 10. - area that is uninhabited
- 12. - flattened structure of the plant and where photosynthesis happens
- 14. - a grassy area, typically near a river
- 15. - vast expansion of saltwater divided into five sections
- 17. - a forest that gets high levels of rain
- 19. - small invertebrate animal with over six legs and wings
- 20. - living organisms that use photosynthesis like trees and flowers
Down
- 2. - soil that is saturated with water
- 3. - very long natural stream of water that goes into the sea
- 4. - a large raised area in the surface of the Earth
- 5. - a clump of shrubs
- 6. - part of the plant bearing seeds
- 7. - mountain or hill with a crater that erupts lava and hot vapor
- 11. - flowerless plants without roots that grow in carpets
- 13. - a spore-producing group of organisms which feeds on organic matter
- 16. - short plants that grow in yards and pastures
- 18. - cold-blooded vertebrate with gills
- 20. - area with little vegetation that is good to walk on