In Aquatic Ecosystems, Trophic Pyramids of Biomass Are Inverted Because

question 58

Multiple Choice

In aquatic ecosystems, trophic pyramids of biomass are inverted because

• A) most biomass is found in the producers.
• B) the standing biomass of algae is lower than the standing biomass of consumers.
• C) the life span of producers is very long compared to that of consumers.
• D) consumers do not rapidly consume producers.

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Definitions:

Boat Conformation

A specific geometric arrangement of atoms in cyclic molecules resembling a boat, less stable than the chair conformation.

Cyclohexane

A cycloalkane composed of six carbon atoms arranged in a ring, with molecular formula C6H12, used as a solvent and in the manufacture of nylon.

Cis-1-Ethyl-3-Methylcyclohexane

A specific isomer of a six-membered ring compound with ethyl and methyl substituents in a cis configuration.

Stable Conformation

The most energetically favorable arrangement of atoms in a molecule that minimizes strain.