Embryonic Development Begins with

question 54

Multiple Choice

Embryonic development begins with

• A) fertilization.
• B) the first cell division.
• C) the development of the blastocyst.
• D) implantation.
• E) gastrulation.

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Definitions:

Months of Age

A unit of measurement to describe the age of a person, or animal, especially used for infants and young children.

Talk

The act of engaging in verbal communication to express thoughts, ideas, or feelings.

Babbling Stage

Beginning around 4 months, the stage of speech development in which an infant spontaneously utters various sounds at first unrelated to the household language.

Telegraphic Speech

Telegraphic speech refers to the two-word phrases used by toddlers when learning to speak, which typically include only essential words to get their point across.