Which of the following organisms would have the highest intrinsic rate of increase?
a. bacteria
b. blue whales
c. red grouse
d. elephants
e. humans
a
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Which of the following best describes the photosynthetic membranes of the purple nonsulfur bacteria?
A. The photosynthetic membranes are not associated with the plasma membrane. B. The photosynthetic membranes are continuous with the plasma membrane. C. The photosynthetic membranes are attached to the plasma membrane but not continuous with it. D. There are no photosynthetic membranes in the purple nonsulfur bacteria.
Serious detrimental affects of global warming include
a. intense rains and flooding. b. more frequent and intense droughts. c. rising sea levels in coastal areas. d. the disappearance of glaciers thus wiping out some fresh water supplies. e. all of these.
What is a hydrophobic region?
What will be an ideal response?
"Science is self-correcting." This means:
A) science is incapable of producing mistaken beliefs if its studies are carefully done. B) science only accepts what is true. C) scientists correct their personal biases before engaging in scientific study. D) science actively seeks to disprove its own theories and hypotheses. E) scientists always proofread each other's work.