Which of the Following Is the Best Explanation of Why

question 31

Multiple Choice

Which of the following is the best explanation of why it is difficult to discriminate the color of an object at night?

• A) Rods contain a single kind of visual pigment.
• B) Cones come in three types, each sensitive to different wavelengths of light.
• C) The foveae are densely packed with cones.
• D) As many as 100 cones may converge on one ganglion cell.

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Definitions:

Overextension

A linguistic phenomenon observed in childhood language development where a child applies a word more broadly than its adult meaning.

Holophrase

A single word used by an infant that expresses a complex idea or request, indicative of early language development.

Telegraphic Speech

A stage in language development in young children where sentences are constructed with only essential words and grammar is often missing.

English-speaking Infant

A baby who is being raised in an environment where English is the primary language of communication.