In Which of the Following Terrestrial Ecosystems Would One Tend

question 36

Multiple Choice

In which of the following terrestrial ecosystems would one tend to find the lowest net primary productivity?

• A)extreme desert
• B)woodland and shrubland
• C)tundra
• D)cultivated lands
• E)tropical seasonal forest

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Definitions:

Regulatory Proteins

Proteins that control the expression of genes, the activity of enzymes, and the flow of signals in cells, maintaining homeostasis and coordinating biological processes.

Promoter

A region of DNA that initiates transcription of a particular gene, responsible for the regulation of gene expression.

Repressible Genes

Genes whose expression is decreased or stopped in response to the presence of a specific molecule, usually an end product of a metabolic pathway.

Anabolic Pathways

Metabolic pathways that construct molecules from smaller units, requiring energy, commonly associated with growth and development.