Humans Begin Life as a Single Cell That Divides Repeatedly

question 86

Multiple Choice

Humans begin life as a single cell that divides repeatedly. This cell is known as a(n) ______.

• A) zygote.
• B) gonadotrope.
• C) embryo.
• D) chromaffin.

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Definitions:

Independent Variables

The factors manipulated or controlled by researchers in an experiment to determine their effects on dependent variables.

Meta-analysis

A statistical procedure that integrates findings from separate but similar studies to identify patterns, contradictions, or strengths in the collected research data.

Reliability

Consistency of measurement.

Validity

The accuracy of a test in measuring what it is intended to measure.