You find a leaf that has large stomata and a thick, waxy covering. What is clear about the original plant?

A) The plant minimizes water loss. B) The plant minimizes nutrient uptake.
C) The plant minimizes sunlight uptake. D) The plant maximizes nutrient uptake.


Answer: A

Biology & Microbiology

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Your friend has a dog Rex that she feeds every night immediately after she gets up from the dinner table. You are dog-sitting one weekend and you decide to keep Rex at your house rather than leave him alone in hers. After you eat dinner and get up to clear the table, Rex starts salivating profusely and runs to his food bowl. Rex's behavior is an example of

A. an automatic reflex. B. a conditioned response. C. an irrelevant response. D. the anticipatory response. E. permanent conditioning.

Biology & Microbiology

The plant hormones known as ___________ may have an evolutionary origin in the common ancestor to both plants and animals.  

A.  brassinosteroids B.  oligosaccharides C.  cytokinins D.  auxins E.  abscisic acids

Biology & Microbiology

How does the hypothalamus act to maintain body temperature? Include behavioral and physiological responses to both heat and cold

What will be an ideal response?

Biology & Microbiology

Which of the following steps in the citric acid cycle directly produces a molecule of ATP (or GTP)?

a. citrate ? isocitrate b. succinate ? fumarate c. malate ? oxaloacetate d. succinyl CoA ? succinate e. isocitrate ? ?-ketoglutarate

Biology & Microbiology