Aristotle (Fourth Century B

question 200

Multiple Choice

Aristotle (fourth century b.c.e.) rejected the idea that Earth moves because he knew stellar parallax motion would result,and he was unable to measure any.About how long after Aristotle was stellar parallax actually measured?

• A) two centuries
• B) 10 centuries
• C) 22 centuries
• D) 29 centuries

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Definitions:

Paralyzing Venom

A toxic substance produced by some animals, such as snakes and spiders, that immobilizes prey by interfering with nerve signal transmission.

Salivary Glands

Accessory digestive glands found in vertebrates and some invertebrates; in humans there are three pairs.

Enzymatic Digestion

The breakdown of food by enzymes into molecules small enough for the body to absorb.

Saliva

A watery secretion in the mouths of animals, produced by the salivary glands, which aids in digestion and oral hygiene.