Which Group Comprises a Significant Portion of Phytoplankton and Therefore

question 101

Multiple Choice

Which group comprises a significant portion of phytoplankton and therefore is important to marine food webs?

• A) Protozoa
• B) Cyanobacteria
• C) Diatoms
• D) Euglenids
• E) Slime molds

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Definitions:

Sample Standard Deviation

A measure of the amount of variation or dispersion of a set of values from a sample, indicating how spread out the values are from the mean of the sample.

Z Value

A Z value is a statistical measure representing the number of standard deviations a data point is from the mean.

Confidence Level

A statistical measure expressed as a percentage that indicates the probability that a given interval contains the true parameter or result.

Normal Distribution

A bell-shaped curve that represents the distribution of many types of data, where most observations cluster around the central peak.