Which of the Following Is NOT Required in Robust Chemical

question 33

Multiple Choice

Which of the following is NOT required in robust chemical cycling of inorganic nutrients in a natural ecosystem?

• A)a reservoir for the element in the earth
• B)the biotic community and its food chains
• C)an exchange pool from which producers draw nutrients
• D)weather
• E)plants and animals

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Definitions:

Allele Frequencies

The proportion or prevalence of different alleles (versions of a gene) in a particular population, which can change over time due to evolutionary pressures.

Blood Stains

Evidence in the form of blood marks left on surfaces, which can be analyzed in forensic science to help reconstruct events at a crime scene.

Cut Marks

Physical evidence on bones that indicates the use of tools by humans or other species to process carcasses.

Fossil Bones

Preserved remains or imprints of bones from ancient organisms embedded in rock strata.