If I Wish to Measure the Effect of Slight Changes

question 164

Multiple Choice

If I wish to measure the effect of slight changes in caffeine level on a rat's behavior, I would need a sensitive measure of behavior. I should consider using a(n) _____ measure of response.

• A) interval
• B) latency
• C) rate
• D) topography

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Definitions:

Cuticle

(1) A noncellular covering over the epidermis of the aerial parts of plants that reduces water loss; composed mainly of cutin, a waxy substance. (2) The outer covering of some animals, such as roundworms.

Phylum Arthropoda

The largest phylum in the animal kingdom, including insects, arachnids, myriapods, and crustaceans, characterized by segmented bodies and jointed limbs.

Jointed Appendages

Characteristic features of arthropods, including insects and crustaceans, where limbs are jointed, allowing for movement.

Planarians

Flatworms belonging to the Turbellaria class, known for their remarkable regenerative ability and as subjects of biological research.