The rate at which producers convert solar energy into chemical energy is an ecosystem’s ____
a. standing crop biomass
b. biogeochemical cycle
c. net primary productivity
d. efficiency
e. gross primary productivity
ANSWER: e
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If the Calvin cycle were to be temporarily restricted, the highest concentration of NADPH would likely be in the
A. thylakoid space. B. thylakoid membrane. C. stroma. D. chloroplast outer membrane. 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 NADPH, where it is produced, and where it is used? What other information is related to the question? Choose Answer Do you have all necessary information to determine what type of reaction is taking place? 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?
Marine reptiles eliminate excess NaCl by means of _____________ located near the nose or the eye.
A. Malpighian tubules B. antennal glands C. salt glands D. protonephridia E. nephrons
Some MP3 players or iPods produce sounds over
a. 100 decibels. b. 130 decibels. c. 200 decibels. d. 250 decibels. e. 300 decibels.
The posterior pituitary gland secretes all of the following EXCEPT
A. prolactin. B. ADH. C. oxytocin. D. None of the choices are correct.