The Digestive System, Lungs, and Some Other Internal Organs Develop

question 88

Multiple Choice

The digestive system, lungs, and some other internal organs develop from which of the following layers of cells present in the embryo?

• A) ectoderm
• B) mesoderm
• C) endoderm
• D) zygoderm

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Definitions:

Bell

A device that produces sound through the vibration of a metal component, often used for signaling or alert purposes.

Conditioned Stimulus

A previously neutral stimulus that, after becoming associated with an unconditioned stimulus, eventually triggers a conditioned response.

Unconditioned Stimulus

In classical conditioning, a stimulus that naturally and automatically triggers a response without any prior learning.

Observational Learning

A form of learning that occurs through observing the behavior of others, often as a model, and the consequences of that behavior.