Burrowing worms are examples of planktonic organisms
a. True
b. False
False
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From a biodiversity perspective, which is the greater concern with regard to siltation and reservoirs in the Colorado River Basin?
A. Downstream silt losses have impaired the coastal delta wetlands B. The lake might become too silted to produce electricity C. Lowered water capacity may impair agricultural production D. Lowered water capacity may result in people moving away
Harmful algal blooms (HABs) are most common in what parts of a lake?
A. Around islands B. In the middle C. Near river outflows D. Along the bottom
What is a primary link between photosynthesis and aerobic respiration?
A. phosphorus B. sulfur C. hydrogen D. carbon E. nitrogen
Mineral particles in the soil are derived from
A. Materials transported and deposited by glaciers B. Materials transported and deposited by rivers C. Underlying bedrock D. Materials transported and deposited by wind E. All of these are correct