During a spring flood, a small lake receives a large influx of nutrients. We would expect that in this lake, the growth of phytoplankton will
A) decrease and the growth of submerged aquatic vegetation will decrease.
B) decrease and the growth of submerged aquatic vegetation will increase.
C) increase and the growth of submerged aquatic vegetation will decrease.
D) increase and the growth of submerged aquatic vegetation will increase.
C
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The phase in which atoms and molecules no longer move is the
A. gas phase. B. liquid phase. C. solid phase. D. none of the above
Tertiary sewage treatment is designed to remove
A. Sludge B. Large solids C. Suspended solids D. Dissolved organic compounds E. Nitrates and phosphates
Tropical rainforests only make up about __________ percent of the earth's surface but contain up to _____________ percent of the earth's biodiversity.
-5; 50 -2; 50 -4; 40 -2; 20 3; 30
Using specific examples, discuss four ways that humans benefit from biodiversity.
What will be an ideal response?