Most mammals excrete _____; most aquatic animals excrete _____; birds, insects, and many reptiles excrete _____

A. uric acid; urea; ammonia
B. uric acid; ammonia; urea
C. urea; uric acid; ammonia
D. urea; ammonia; uric acid
E. ammonia; urea; uric acid


D

Biology & Microbiology

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Indicate whether each statement is true or false and then provide the explanation for why the statements are either true or false. The distance travelled by the signaling molecule to the responding cell varies tremendously depending on the signal

What will be an ideal response?

Biology & Microbiology

The adjustable ring of muscular tissue that controls the amount of light entering the eye is the:

a. lens b. cornea c. pupil d. iris e. retina

Biology & Microbiology

A zoo is hand-rearing an endangered species of songbird. What is the best approach to help prepare the males to attract mates?  

A.  Expose the males to a mentor male bird singing their species' song during the critical period. B.  Expose the males to female pheromones from their species, to initiate development of song circuits during the critical period. C.  Expose the males to each other during the critical period, to initiate development of song circuits during the critical period. D.  Expose the males to a variety of birdsongs during the critical period. Clarify question: What is the key concept addressed by the question? What type of thinking is required? Gather Content: What do you already know about mating behaviors in male birds? What other information is related to the question?  Choose Answer: Given what you now know, what information is most likely to produce the correct answer? Reflection on Process: Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?  

Biology & Microbiology

If a person were to suffer a second degree burn to their fingers, which group of receptors would suffer the greatest amount of damage?

A. Ruffini endings B. Meissner corpuscles C. Pacinian corpuscles D. Merkel disks

Biology & Microbiology