A Primary Source of Carbon for Photosynthetic Organisms Is

question 45

Multiple Choice

A primary source of carbon for photosynthetic organisms is

• A) carbon dioxide in the atmosphere and water.
• B) bicarbonate in the water.
• C) nitrate in the soil.
• D) dissolved phosphate in water.
• E) carbonic acid in rain.

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Definitions:

Dispersion

A measure of the spread of a distribution or the variability of data points around a central value.

Standard Deviation

A statistic that measures the dispersion of a dataset relative to its mean, indicating how spread out the data points are.

Percentile

A measure used in statistics to indicate the value below which a given percentage of observations in a group of observations falls.

Measures of Dispersion

Statistical indicators that describe the spread or variability of a data set.