What is the primary disadvantage of being an osmoregulator?
A. Extra energy has to be used to pump ions into or out of the body.
B. Extra energy has to be used to pump water into or out of the body.
C. The central nervous system is deprived of critical information about the environment by keeping relatively constant internal conditions.
D. Physiological systems do not typically perform well under relatively constant conditions.
A. Extra energy has to be used to pump ions into or out of the body.
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Organisms grown with CO2 as its sole carbon source must have energy in the form of ATP as well as reducing power
Indicate whether the statement is true or false.
The Calvin cycle includes 15 enzymes, most of which are involved in __________
A. RuBP carboxylation B. RuBP regeneration C. reduction D. starch synthesis E. ATP synthesis
. Which of the following are most likely to be found growing on salted or dried foods?
A. fungi B. bacteria C. viruses D. protozoa
What was one of the primary results from the Hubbard Brook Watershed Project?
a. Deforestation causes flooding. b. New plant species that absorb less water were discovered. c. Pollution is gravely affecting that water supply. d. Primary consumers are the most important part of that energy pyramid. e. Trees absorb too much water and are not useful in a watershed area.