Questions Refer to the Figure Above Illustrating the Earth's Biogeographic

question 38

Multiple Choice

Questions refer to the figure above illustrating the earth's biogeographic realms.

-The Ethiopian realm is designated by

• A)A.
• B)B.
• C)C.
• D)D.
• E)E.

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Definitions:

Double Chains

Structures consisting of two parallel chains of atoms or molecules bonded together, often found in silicate minerals.

Silicon Tetrahedron

A structural unit in silicate minerals, consisting of a central silicon atom covalently bonded to four oxygen atoms at the corners of a tetrahedron.

Silicate Minerals

Minerals that contain silicon and oxygen, and possibly other elements, constituting the largest family of minerals.

Silicon Tetrahedron

A fundamental building block in silicate minerals, consisting of a silicon atom surrounded by four oxygen atoms in a tetrahedral arrangement.