Blue Light Is That Portion of the Visible Spectrum That

question 90

Multiple Choice

Blue light is that portion of the visible spectrum that penetrates the deepest into bodies of water.Ultraviolet (UV) light,though,can penetrate even deeper.A gene within a population of marine fish that inhabits depths from 500 m to 1000 m has an allele for a photopigment that is sensitive to UV light,and another allele for a photopigment that is sensitive to blue light.Which of the following graphs best depicts the predicted distribution of these alleles within a population if the fish that carry these alleles prefer to locate themselves where they can see best?

• A)A
• B)B
• C)C

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Definitions:

Referential Style

A language learning approach in which individuals predominantly use language to refer to people and objects in their environment.

Holophrasing

The use of a single word by a child to express a complex idea or complete thought, typical in early language development.

Prelinguistic Communication

Communication through sounds, facial expressions, gestures, imitation, and other nonlinguistic means.

Cooing

Early vocalization of infants that involves the production of soft, murmuring sounds, typically occurring between 2 to 4 months of age.