Because There Is Often No Way to Measure Every Instance

question 29

Multiple Choice

Because there is often no way to measure every instance of a phenomenon around the entire world,scientists ____.​

• A) ​can do little more than guess at what's happening
• B) ​do not even attempt to do so
• C) ​pick one instance and assume it's perfectly representative
• D) ​use statistical sampling and mathematical models to make estimates
• E) ​use computer simulations instead

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Definitions:

Embryonic Period

The stage in prenatal development that spans from conception to the eighth week, during which major organs and structures begin to form in the embryo.

Neural Tube

The precursor to the central nervous system in embryonic development, which later develops into the brain and spinal cord.

Spinal Cord

A long, thin, tubular bundle of nervous tissue and support cells that extends from the brainstem to the lumbar region, facilitating communication between the brain and the body.

Genetic Counseling

Consultation and testing by trained experts that enable individuals to learn about their genetic heritage, including harmful conditions that they might pass along to any children they may conceive.