This furry creature is a water vole. Like all mammals ... This fluid delivers nutrients for energy and growth, but not oxygen. Instead, insects get this directly from the air through tiny openings ...
Nitrogen (N) and phosphorus (P) are essential nutrients for all living organisms. Soil, fertilizer, and manure are all sources of N and P to growing crops. Atmospheric deposition (the air we breathe ...
Wetlands serve a number of important environmental functions. Location, soil type, surface and ground water movement determine which of the following functions a particular wetland may serve.