Temp and growth rate
What will be an ideal response?
(from low to high)
-psychrophiles
-psychrotrophs
-mesophiles
-thermophiles
-hyperthermophiles
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True or false: Living systems differ from non-living systems in that energy not used to do work is lost as heat, reducing the total amount of energy in the universe
A. true B. false
Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?
What will be an ideal response?
Why aren't organisms perfectly adapted to their environments?
a. There are physical constraints that cannot be overcome. b. An organism's surroundings do not present a stationary target to which natural selection can optimize its phenotype. c. The process of natural selection lacks foresight. d. All of the above are true. e. This is not always true; some organisms are perfectly adapted to their environments.
Imagine you are examining a small mammal that lives under desert conditions and is water deprived. You would predict that levels of the antidiuretic hormone (ADH) in its blood would be
A. high, and that its urine would be less concentrated than its blood. B. high, and that its urine would be more concentrated than its blood. C. low, and that its urine would be less concentrated than its blood. D. low, and that its urine would be more concentrated than its blood. E. high, and that its urine would be no more concentrated than its blood.