Dogpile and Mamma Are ____

question 60

Multiple Choice

Dogpile and Mamma are ____.

• A) general search engines
• B) deep websites
• C) metasearch engines
• D) site directories

---

Definitions:

Myelinated Neurons

Myelinated neurons are nerve cells covered with a fatty substance called myelin, which increases the speed at which electrical signals travel along the nerve fibers.

Transmit Signals

The process by which information is conveyed through an organism's body or via various electronic or mechanical systems.

Absorb Nutrients

The process by which organisms take up vitamins, minerals, and other nutritional substances from their environment or diet for health and growth.

Mitochondria

Organelles within a cell that generate most of the cell's supply of adenosine triphosphate (ATP), used as a source of chemical energy.