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

question 8

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 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:

Childhood Death

refers to the mortality of a child before reaching adulthood, with causes varying widely by geographic, socioeconomic, and health conditions.

Contrast Assumption

The assumption that objects have only one label.

Novel Terms

New or recently coined words or phrases that have emerged in a language or field of study.

Appearance-Reality Distinction

The cognitive ability to distinguish between how objects appear and their true nature, which develops in early childhood.