A Carbon Atom Cycles Between an Organism and the Atmosphere

question 43

Multiple Choice

A carbon atom cycles between an organism and the atmosphere where it is then taken up by a producer and is then eventually eaten by an herbivore and passed back into the atmosphere through respiration.The carbon atom has passed through which portions of a nutrient cycle?

• A) Exchange pool to reservoir to exchange pool to reservoir.
• B) Living organism to long term storage to living organism to long term storage.
• C) Living organism to exchange pool to living organism to exchange pool
• D) Living organism to exchange pool to living organism to reservoir.
• E) Living organism to exchange pool to living organism to exchange pool.

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Definitions:

Polar Nuclei

In plants, the two nuclei in the central cell of the female gametophyte that fuse with one sperm nucleus to form the triploid endosperm, nourishing the developing embryo.

Endosperm

A nutrient-rich tissue formed during seed development, providing sustenance to the developing embryo in angiosperm plants.

Embryonic Development

The process by which an embryo forms and develops, from fertilization to the fetal stage.

Eudicots

A major group of flowering plants characterized by having two cotyledons in their seedlings, net-veined leaves, and floral organs typically in multiples of four or five.