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

question 83

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/Antarctic Ocean productivity from year to year to see if it changes.
• C)enrich some areas of the ocean,and compare their productivity to that of untreated areas.
• D)compare nutrient concentrations between photosynthetic and non-photosynthetic zones.
• E)contrast nutrient uptake by autotrophs in marine locations with different temperatures.

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Definitions:

General Adaptation Syndrome

A three-phase response pattern to stress described by Hans Selye, including alarm, resistance, and exhaustion stages.

Stress

The body's response to any demand or challenge, which can be physical, mental, or emotional in nature.

Acculturative Stress

The psychological impact of adapting to a new culture, which can include feelings of loss, confusion, and conflict between cultural norms.

Epinephrine

A hormone and neurotransmitter also known as adrenaline, involved in regulating heart rate, blood vessel and air passage diameters, and metabolic shifts; its release is crucial in the body's acute stress response.