Which one of the following is NOT true of biomass? 

A. Biomass is greatest in producers.
B. Biomass is a measure of productivity.
C. Biomass is the dry weight of organisms.
D. Biomass shows a loss of 10% at each trophic level.


D. Biomass shows a loss of 10% at each trophic level.

Biology & Microbiology

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Atmospheric O2 is a waste product of photosynthesis

a. True b. False

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Which structure will digest and recycle materials within the cell?

a. Plasma membrane b. Lysosome c. Golgi body d. Rough endoplasmic reticulum e. Nucleus

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Between the 1930s and the 1970s, the amount of all of the following except ____ increased in Lake

Erie.

a. coliform bacteria b. phosphorus c. phytoplankton d. sewage e. fish population sizes

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The category of organisms that get their energy and nutrients by feeding on the tissues, wastes, or remains of other

organisms are generally called ____.

a. producers b. prokaryotes c. consumers d. archaea e. plants

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