Some Groups Have Friends Who Are So Close That They

question 26

Multiple Choice

Some groups have friends who are so close that they are hardly distinguished from actual relatives. These relationships are referred to as " " kin.

• A) conjugal
• B) extended
• C) nuclear
• D) fictive

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Definitions:

Iris

The iris is the colored part of the eye that controls the size of the pupil and the amount of light reaching the retina.

Lens

A transparent structure in the eye that focuses light rays onto the retina to create clear images.

Retina

A layer of tissue at the back of the eye that senses light and sends visual signals to the brain.

Rhodopsin

Light-sensitive substance found in the rods of the retina; composed of opsin loosely bound to retinal.