Carbon Dioxide and Water and Light Combined to Create Carbohydrates

question 37

Multiple Choice

Carbon dioxide and water and light combined to create carbohydrates is a vital portion of which cycle?

• A) oxygen
• B) hydrologic
• C) nitrogen
• D) carbon
• E) energy

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Definitions:

Euphotic Zone

The upper reaches of the ocean, in which enough light penetrates to support photosynthesis.

Freshwater Wetland

A land area saturated with water, either permanently or seasonally, where oxygen-free processes prevail, primarily composed of freshwater marshes, swamps, bogs, and fens.

Estuary

A coastal area where freshwater from rivers and streams meets and mixes with saltwater from the ocean.

Oceanic Province

A specific, large region of the ocean that is characterized by its unique physical, chemical, and biological properties.