Watershed

2. All pore spaces are filled with water
6. a complex set of relationships among the living and non-living things in a given area.
8. rain, sleet, snow and hail
11. Lowland areas saturated with moisture
12. the exhalation from a plant's leaves
13. These organisms, mostly animals, eat producers and/or other animals.
17. Waste water from buildings drains away from the community through
19. the study of the biological, chemical, and physical features of lakes and other bodies of fresh water.
20. portion of aquifer rock material that does not allow water to penetrate.
21. water as a solid
24. are the non-living parts of the environment that can often have a major influence on living organisms and include water, sunlight, oxygen, soil and temperature.
25. changing from a liquid to a gas
26. To determine elevation on a topographic map, you should look at the nearest __ .
27. A body of permeable rock that can contain or transmit groundwater.
28. are often known as primary consumers.
29. changing from a gas to a liquid

1. A body of water where salt water from the ocean mixes with fresh water draining from the surrounding land.
3. the movement of water into the ground
4. These organisms break down dead material (such as a fallen tree) into soil and return nutrients to the soil so they can be re-used by producers to create food.
5. an area of low-lying ground adjacent to a river, formed mainly of river sediments and subject to flooding.
7. the living things in an ecosystem, such as plants and animals.
9. The source of a river or stream
10. Portion of aquifer containing porous rock that allows water to penetrate freely
14. An example of a decomposer
15. Streams are usually ____ of larger rivers or other bodies of water.
16. water as a gas
18. Portion of aquifer above water table where pore spaces are filled with air
22. All plants, such as grass and trees, are producers. These organisms absorb the sun’s energy and convert the energy into food for themselves, allowing them to grow larger, make flowers and seeds, etc.
23. Impurities in the air, land, or water that can throw off the ecological balance of an area