An Ecosystem That Experiences a Small Increase in Nutrients Available

question 23

Multiple Choice

An ecosystem that experiences a small increase in nutrients available to primary producers is likely to show

• A) an increase in net primary productivity.
• B) a decrease in net primary productivity.
• C) no change in net primary productivity.
• D) a decrease in net primary productivity followed by an immediate return to average net primary productivity.

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Definitions:

Active Transport Proteins

Proteins that use energy to move substances across a cell membrane against a concentration gradient, from lower to higher concentration.

Small Intestine

A part of the gastrointestinal tract between the stomach and the large intestine where most of the digestion and absorption of nutrients occurs.

Caloric Intake

The total number of calories consumed through food and drink, critical for energy balance and weight management.

Energy Expended

The amount of energy used or consumed in the completion of an action or process.