As Big as It Is, the Ocean Is Nutrient-Limited

question 59

Multiple Choice

As big as it is, the ocean is nutrient-limited. If you wanted to investigate this, one reasonable approach would be to

• A) follow whale migrations in order to determine where most nutrients are located.
• B) observe Southern Ocean (Antarctic Ocean) productivity from year to year to see if it changes.
• C) experimentally enrich some areas of the ocean and compare their productivity to that of untreated areas.
• D) compare nutrient concentrations between the photic zone and the benthic zone in various marine locations.
• E) contrast nutrient uptake by autotrophs in marine locations that are different temperatures.

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Definitions:

Semantic Memories

Long-term memory processes that store general world knowledge, facts, concepts, and meanings about words and objects.

Hippocampus

A major component of the brain located in the temporal lobe, primarily responsible for memory formation and spatial navigation.

Basal Ganglia

Groups of neurons located deep within the cerebral hemispheres involved in controlling movement and coordination.

Distributed Practice

A learning strategy that involves spreading study sessions out over time, which has been shown to improve long-term memory retention.