Deforestation in the boreal forests is due primarily to:
a. commercial logging for rare woods to be used in furniture.
b. commercial logging subsistance agriculture.
c. clear-cut logging for industrial wood.
d. slash-and-burn agriculture for farming
e. slash-and-burn agriculture for cattle ranching
C
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How do the plasma membranes of Archaea
differ from the plasma membranes of Eukarya?
a. their membranes are more rigid b. their membrane phospholipids do not have fatty acids c. their membrane phospholipids have reactive side chains d. their membrane phospholipids form covalent bonds with one another e. all of these are differences of the plasma membranes of Archaea
Articular discs (menisci)
What will be an ideal response?
Which of the following is a byproduct of photosynthesis?
A) carbon dioxide B) water C) oxygen D) glucose E) energy
Is the following statement true or false? "Vertebrates can never get ahead in the evolutionary race against their microbial pathogens."
a. True, vertebrate mutation rates are not high enough. b. True, vertebrate population sizes are too small. c. False, "real" evolution occurs only at the population level. d. False, the population size of immune system cells in an individual host can be similar to that of microbial pathogens.