When the Mouse Pointer Is Moved Over an Icon,a __________

question 94

Short Answer

When the mouse pointer is moved over an icon,a __________ feature displays a small text box explaining the icon's purpose.

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Definitions:

Morula

An early stage in embryonic development consisting of a solid ball of cells.

Endoderm

The innermost layer of cells or tissue of an embryo in early development, from which the digestive tract and associated structures develop.

Digestive Tract

The digestive tract is a series of hollow organs joined in a long, twisting tube from the mouth to the anus, where food is broken down into nutrients.

Extraembryonic Membranes

Membranes that are not part of the embryo but provide protection and support, including the amnion, chorion, yolk sac, and allantois.