Which Is the First of Piaget's Stages of Cognitive Development-The

question 97

Multiple Choice

Which is the first of Piaget's stages of cognitive development-the one characteristic of infants?

• A) the preoperational stage
• B) the sensorimotor stage
• C) the formal-operations stage
• D) the concrete-operations stage

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Definitions:

Epidermis

The outermost layer of cells covering an organism, providing protection against the environment.

Ectoderm

The outermost layer of cells or tissue of an embryo in early development, giving rise to the formation of the nervous system and the skin epidermis.

Germ Layer

One of the three primary layers of cells (ectoderm, mesoderm, endoderm) in the early embryo from which all the organs and tissues of the body eventually develop.

Excretory System

A system of organs responsible for the removal of waste products and excess substances from an organism's body.