At the End of Gastrulation, the Ectoderm Makes Up the

question 47

Multiple Choice

At the end of gastrulation, the ectoderm makes up the

• A)lining of the embryonic digestive tract.
• B)embryonic nervous system.
• C)outer layer of the gastrula.
• D)inner layer of the gastrula.

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Definitions:

Zygote

The initial cell formed when two gamete cells are joined by means of sexual reproduction; the earliest developmental stage of the embryo.

Fetus

The developing human organism from 9 weeks after conception to birth.

Anxious Children

Children who experience higher than normal levels of anxiety and fear, affecting their daily functioning.

Fearful

Feeling afraid or anxious; the emotional response to perceived threats or danger.