The Spheroidal Stage of Early Prenatal Development with About 16

question 32

Multiple Choice

The spheroidal stage of early prenatal development with about 16 to 64 cells is called a(n) __________.

• A) zygote
• B) embryo
• C) blastomere
• D) morula
• E) blastocyst

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Definitions:

Scientific Inquiry

The process of developing explanations about the natural world through observations, experiments, and evidence collection.

Control Group

A group in an experiment that does not receive the experimental treatment and is used as a benchmark to measure how the other tested subjects do.

Experimental Group

The experimental group in a study is the group that receives the treatment or intervention being tested, allowing researchers to assess the effect of the treatment.

Single-Blind

An experimental procedure where the participants do not know which group (control or experimental) they are in, to reduce bias.