Across
- 4. living or growing on or near the water.
- 7. the study of the properties,distributation,and effects of water of the Earth and atmosphere.
- 8. an animal without a backbone.
- 12. an individual form of life, an animal plant,fungus,protistan,or moneran.
- 13. an animal with a backbone.
- 15. refers to species of animals.
- 16. refers to species of animals.
Down
- 1. dead plant animal and other organic matter.
- 2. a substance that organisms require to live.
- 3. a bottomland hardwood forest flooded by adjacent streams and rivers.
- 5. many different species of animals,plants,and other organisms living in a certain area.
- 6. thickness or opaqueness made by the stirring up of sediment.
- 9. living on or growing near land.
- 10. decaying plants and other organisms found in wet soils of the wetland provide nutrients for the food web cycle.
- 11. an environment found at the boundary where the sea and river meet and mix fresh water and salt water.
- 14. the entire area drained by a stream and its tributaries.
