Three Layers, Called the Ectoderm, the Mesoderm, and the Endoderm

question 93

Multiple Choice

Three layers, called the ectoderm, the mesoderm, and the endoderm, form in the developing organism during the period of the

• A)amnion.
• B)fetus.
• C)zygote.
• D)embryo.

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Definitions:

Extinction

The process in which a conditioned response decreases in frequency and eventually disappears due to the absence of reinforcement.

Novel Stimulus

A new or unfamiliar stimulus that has not been previously encountered by the organism.

Calming Event

An occurrence or intervention designed to reduce stress, anxiety, or excitement, often leading to a state of relaxation.

Flavor Aversion Conditioning

Flavor Aversion Conditioning is a learning process where individuals develop a dislike or aversion to a flavor after it has been paired with sickness or nausea.