Which Statement About Brown Algae Is True

question 67

Multiple Choice

Which statement about brown algae is true?

• A) They are specialized to withstand pounding by surf.
• B) Their color results from a symbiotic relationship with dinoflagellates.
• C) Their fossilized remains make a major contribution to limestone.
• D) The fronds are stiffened with silica.
• E) Their primary habitat is above the tidal zone on the seashore.

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Definitions:

Standard Deviation

A gauge for the amount of distribution or variation present in a sequence of numbers.

Mean

The mean of a collection of numbers, determined by adding all the numbers together and then dividing by the count of the numbers.

Standard Normal

A standard normal distribution characterized by a mean value of zero and a standard deviation measuring one.

Area

The measure of the extent of a two-dimensional figure or shape in a plane.