An ecologist that studies cycling of nutrients and the flow of energy between the biotic components of

an ecological community and the abiotic environments is a(n)______.



a. behavioral ecologist d. ecosystem ecologist
b. population ecologist e. organismal ecologist
c. community ecologist


D

Biology & Microbiology

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To what group did the earliest fossils of eukaryotes belong?

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Assuming the gardener continues to spray the herbicide for five years, do you think the weed

population will evolve?

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Every experiment requires a(n) ____ as a baseline for comparison, a(n) ____ variable to test, and a(n)___ variable to measure.

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Biology & Microbiology

Each villus contains a lacteal, which functions to:

a. absorb the products of lipid digestion. b. aid in the absorption of carbohydrates. c. aid in the absorption of water. d. secrete enzymes to aid in the absorption of fats. e. remove protein from the interstitial fluid.

Biology & Microbiology