Birds and mammals are both warm-blooded, and are
A. parsimonious.
B. paraphyletic.
C. common ancestors.
D. polyphyletic.
E. monophyletic.
D. polyphyletic.
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Sulfate-reducing bacteria (SRB) are very important in the cycling of sulfur within ecosystems because significant amounts of sulfate are present in almost all aquatic and terrestrial habitats, making SRB widespread and active.
Answer the following statement true (T) or false (F)
Which of the following produce organic acids that may contribute to weathering of rocks?
A. Arctic plants B. Water plants C. Aerial plants D. Lichens E. Mosses
Nociceptors can respond to nearby tissue damage by sensing cytosolic factors released by damaged cells. Such "algogenic agents" can cause pain sensation even in the absence of tissue damage. What might be a practical use for such an agent?
A. a nonlethal riot control measure B. an anesthetic drug C. a treatment for damaged tissue D. a tasty food additive 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 nociceptors? 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? Reflect 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?
When the lining of the small intestine secretes more water than the large intestine can absorb, what
develops? a. colitis b. constipation c. diarrhea d. Crohn's disease e. Salmonellosis