12. A pedosphere as a Hub a soil by any other name¦
13. Define 8 words highlighted in blue 1) Pedosphere: study of soil 2) Pedology: study of soil 3) Pedologist: somebody who studies soil 4) Geosphere: global regions 5) Hydrosphere: water sphere 6) Atmosphere: air and climates 7) Lithosphere: rock and other geologic sphere 8) Biosphere: the sphere where life exists
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Dissolved Oxygen= Part 2
5a.What places on earth are oxygen essential? Land and water 5b.What does oxygen availability determine? Whether an aquatic organism will survive an affects its growth in development 5c.What is the amount of oxygen found in water called? Dissolved oxygen concentration 5d.How is dissolved oxygen measured? In milligrams per liter of water or an equivalent unit, part per millions of oxygen water. 5e.What are the 6 things that affect dissolved oxygen? Altitude, water agitation, water temperature, plants, light penetration and amounts of dissolved or suspended solids 5f.What are the 2 ways that water receives oxygen? As water in low oxygen comes into contact with air, it absorbs oxygen from the atmosphere. The turbulence of running water and mixed air and water in waterfalls and rapids, add significant amounts of oxygen of water.
Worms= Part 3
2a.How many different types of worms are there? Thousands of different kinds 2b.What is the size range? Meters long to microscopic 2c.Where do worms live? Soil and the water 2d.What do worms eat? Small plants and animals and decaying matter 2e.What are the 4 main groups of worms? Flatworms also know as Platyhelminthes, ribbon worms also known as Nemertea; (3) roundworms, also know as Nematoda, and (4) segmented worms also know as Annelida. 2f.Whats the study of worms called? Helminthology
