Foraminiferans Secrete an External Shell Made of _______,Whereas Diatoms Have

question 38

Multiple Choice

Foraminiferans secrete an external shell made of _______,whereas diatoms have a shell made of _______.

• A) grains of sand;silica
• B) chitin;grains of sand
• C) calcium carbonate;silica
• D) grains of sand;glass
• E) silica;calcium carbonate

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Definitions:

Centimeters

A metric unit of length equal to one hundredth of a meter.

Inches

A unit of measurement in the Imperial system, equal to 1/12th of a foot.

Marathon

A long-distance running race with an official distance of 42.195 kilometers (approximately 26.219 miles).

Kilometers

Units of length measurement in the metric system, equal to 1,000 meters.