Which statement best represents the difference between ectotherms and endotherms?
a. Ectotherms rely on homeostatic mechanisms to maintain body temperature.
b. Ectotherms have a very high daily energy expenditure.
c. Endotherms rely on behavior modification to maintain their body temperature.
d. Ectotherms derive heat from metabolic processes.
e. Ectotherms animals outnumber endotherms.
e
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Don’t be alarmed, but you should be aware that right now, there is a species of mites, Demodex folliculorum, living in your eyelashes that are adapted to live on human skin and in human hair follicles, and nowhere else in nature. The good news is that these almost never cause any problems for their human hosts, and most are never even aware that they exist. What type of relationship do your eyelash mites share with you?
a. competitive b. mutualistic c. commensal d. parasitic
________ reactions capture energy from the organisms' energy source.
Fill in the blank(s) with the appropriate word(s).
Using the Goldman equation, what is the approximate resting potential due to Na+ and K+ if the relative permeability of K+ to Na+ is 30 to 1 and the concentrations of K+ are 10:100 (out:in) and the concentrations of Na+ are 140:10 (out:in)?
What will be an ideal response?
Which of the following is NOT a use for biotechnology?
A) Identifying human fetuses with particular genetic diseases B) Producing effective and safe vaccines C) Altering food plants to increase yields D) Producing large quantities of particular human proteins E) Altering the intelligence levels of newborn infants