The Codex, a Form of Book Much Like a Modern

question 22

Multiple Choice

The codex, a form of book much like a modern book, was invented during the

• A) Republican period.
• B) Late Empire.
• C) Early Empire.
• D) Etruscan period.

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Definitions:

Photosynthesis

The process by which green plants, algae, and some bacteria convert light energy into chemical energy stored in glucose, using carbon dioxide and water.

Carbon Dioxide

A gas that has no color or smell, created when carbon and organic compounds are burned or through the process of breathing. This gas is taken in by plants during the act of photosynthesis.

Photosynthesis

How green plants and select organisms convert sunlight into nutrients using carbon dioxide and water.

Trophic Level

The position an organism occupies in a food chain or food web, categorized by how the organism obtains energy and nutrients, starting with producers at the base and various levels of consumers above.