Organisms at the first trophic level _____
a. capture energy from a nonliving source
b. are eaten by organisms at higher trophic levels
c. are shown at the bottom of an energy pyramid
d. all of these
D
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All muscles in the human body are voluntary.
Answer the following statement(s) true (T) or false (F)
One way that antibiotic-resistant strains of bacteria arise is that patients do not follow the instructions for taking the drug. In a typical scenario, a drug may be prescribed for a week, but the patient may stop taking it after 2 to 3 days if they start to feel better. Then when the infection flares up again, they take the rest of their dose. Why would this scenario lead to drug resistance?
A. The first round of treatment gives the bacteria a chance to learn how to metabolize the drug. B. A patient begins to develop resistance to the drug. C. The body clears the drug faster, once it is exposed a second time. D. The first round of treatment does not kill the most resistant bacteria, which then increase in number. E. The first round of treatment suppresses the immune system, making the patient more susceptible to other infections.
Heat loss resulting from conversion of a liquid
to a gas is called a. conduction. b. radiation. c. convection. d. metabolism. e. evaporation
T or F; overstretching muscles creates muscle laxity
What will be an ideal response?