Ocean-Dwelling Microorganisms Called Foraminifera Are Important in Evolutionary Studies Mainly

question 45

Multiple Choice

Ocean-dwelling microorganisms called foraminifera are important in evolutionary studies mainly because

• A)the chemical composition of their shells records past temperatures.
• B)they can be dated using uranium series methods.
• C)primates use them as a key food source.
• D)they are strong indicators of past changes in the earth's magnetic polarity.

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Definitions:

Population

The total number of individuals or organisms residing within a particular geographical area or belonging to a specific category.

Mental Age

An assessment measure that reflects the mental ability of an individual expressed in the age at which normal individuals reach an equivalent level of performance.

Chronological Age

The actual age of an individual measured in years from the date of birth.

Intelligence Quotient

A measure of a person's intellectual abilities in relation to the average performance of others in their age group.