24HRAS3

2. Two or more organisms competing for the same resource; can be interspecific or intraspecific.
3. Large pores aiding water and air transmission in soil.
6. Largest soil particle composed of mineral fragments, 0.05 to 2.0 mm diameter.
7. Rain, snow, and other water forms falling to earth.
9. Organism feeding on dead material causing its breakdown.
11. Interlocking series of food chains.
13. Microscopic pores aiding water and air transmission in soil.
14. Arrangement of soil particles into compound particles or aggregates.
18. Volume of water passing a point in a given time.
19. Allowing passage of gases or liquids through pores.
20. Dry, receiving little precipitation.
21. Region where water drains into a specific point on a stream, river, lake, or other water body.
22. Transfer of food energy between nutritional levels.
23. Shape of the land.
24. Matter settling at the bottom of a liquid; major pollutant by volume.
26. Zone of soil saturation, at least 6 inches thick, within 6 feet of the surface.

1. Permeable geological formation holding water, may be confined or unconfined.
3. Treeless wetland often with standing water.
4. Water with dissolved salt, like in oceans or seas.
5. Soil area where most pores are filled with water.
8. Animal living in aquatic habitat as young, terrestrial as adult; breathes by gills and lungs.
9. Disintegrated or loose fragments washed from rocks.
10. Organism obtaining energy by feeding on others and their remains.
12. Relationship where one species benefits, while the other is neither helped nor harmed.
15. Plant usually over 12 feet tall with a single woody stem and distinct leaf crown.
16. Wetland in a glacial depression with peat and acidic condition mosses.
17. Areas between soil particles through which water and air move.
25. Larval phase of an insect with incomplete metamorphosis.