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.
A
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In yeast chromosomes, centromeres
A) help distinguish one chromosome from another. B) are closely related in sequence. C) are only 10–15 bp long. D) contain satellite DNA.
The mean lethal dose for high LET radiation is ______ than after low LET radiation.
a) higher b) lower c) the same d) unknown
The hair cells in the utricle detect
A) subsonic sound vibrations. B) volume and pitch of sounds. C) differences in air pressure waves. D) position of the head with respect to gravity.
Which of the following leads to all the others?
A) subcutaneous hemorrhaging B) presence of antirickettsial antibodies C) blockage of capillaries D) bacterial growth in endothelial cells E) breakage of capillaries