Animals that regulate their body temperature independently of the environment are called
A) heterotherms.
B) homeotherms.
C) poikilotherms.
D) biotherms.
E) abiotherms.
B) homeotherms.
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A scientist performs an experiment in which they create an artificial cell with a selectively permeable membrane through which only water can pass. They inject a 5M solution of glucose into the cell and then place the cell into a beaker containing 10M glucose. What effect do you expect to observe?
A. Water moves out of the cell B. Glucose moves out of the cell C. No net change in cell weight D. Water moves into the cell E. Glucose moves into the cell Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you know about osmotic concentration? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach 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?
A group of local subpopulations is called a(n)
A) community. B) species. C) metapopulation. D) ecogroup.
Cryptic coloration is a strategy employed only by prey
Indicate whether the statement is true or false
A cat undergoing surgery has a hemorrhage of 20 ml of blood, from a total blood volume of about 220 ml. How would you expect the cat's blood pressure to respond, assuming the hemorrhage is stopped but no other action is taken?
A. Blood pressure may drop temporarily, then normalize. B. Blood pressure will increase for a few hours. C. The blood pressure response would depend on whether the hemorrhage is internal or external. D. Blood pressure may increase temporarily, then normalize. E. Blood pressure will decrease for a few hours.