The ________ Consists of Three Layers of Cells: the Endoderm

question 115

Multiple Choice

The ________ consists of three layers of cells: the endoderm, the mesoderm, and the ectoderm.

• A) blastocyst
• B) fetus
• C) embryo
• D) trophoblast

---

Definitions:

Associative Learning

The method through which a person grasps the association between two signals or between an action and its result.

Spontaneous Recovery

The reappearance of a learned response after its apparent extinction, often occurring in the absence of further conditioning.

Acquisition

The process of gaining a new skill, knowledge, behavior, or object through experience, practice, or the act of obtaining.

Conditioned Response

A learned response to a previously neutral stimulus that has become associated with an unconditioned stimulus.