You Are Lying on a Sand Dune Looking Over the Water

question 73

Multiple Choice

You are lying on a sand dune looking over the water, listening to the waves, and enjoying the feel of the sun and wind on your skin. You also smell the salty ocean air and seaweed that has washed ashore.
-When you feel the sun on your skin,what is being activated?

• A) mechanoreceptor
• B) photoreceptor
• C) pain receptor
• D) thermoreceptor
• E) chemoreceptor

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Definitions:

Ovule

The structure in the plant ovary that develops into the seed following fertilization; also called megasporangium.

Medicinal Plant

Plants with bioactive compounds that can be used for therapeutic purposes or as precursors for the synthesis of drugs.

Herbaceous

Describes plants with soft, green stems, without significant woody tissue, and which might die back at the end of the growing season.

Woody

Describes plant stems and structures that are hard and fibrous, typically found in trees and shrubs.