Use the Following Information to Answer the Question

question 17

Multiple Choice

Use the following information to answer the question.
Nudibranchs, a type of predatory sea slug, can have various protuberances (that is, extensions) on their dorsal surfaces. Rhinophores are paired structures, located close to the head, which bear many chemoreceptors. Dorsal plumules, usually located posteriorly, perform respiratory gas exchange. Cerata usually cover much of the dorsal surface and contain nematocysts at their tips.
The claws on the foremost trunk segment of centipedes have a function most similar to that of ________.

• A) rhinophores
• B) dorsal plumules
• C) cerata
• D) chemoreceptors

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Definitions:

Fovea

A small depression in the retina of the eye where visual acuity is highest.

Choroid

The vascular layer of the eye lying between the retina and the sclera, providing oxygen and nourishment to the outer layers of the retina.

Melanin

A pigment that gives color to skin, hair, and eyes, and protects against UV radiation.

Vascularized

Having blood vessels; supplied with or containing blood vessels.