Biology, 15.06.2021 06:50 ranchgirljls
Why does the concentration of mercury in the tissues of organisms increase as it
moves through the tropic levels?
a) Animal cells absorb mercury better than algal cells do.
b) The mercury does not affect the smaller organisms.
c) The mercury in the small organisms is not activated until the larger organism
eats the mercury
d) The mercury in the cells of each organism that is eaten accumulates in the
larger animal's cells.
Answers: 3
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Which of the following substances is not involved in the chemical reaction that pro- duces smog? a. sunlight b. particulate matter c. automotive exhaust d. ozone
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Biology, 22.06.2019 02:30
In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring
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What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons
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Biology, 22.06.2019 10:30
Coral have a symbiotic relationship with what in order to eat?
Answers: 2
Why does the concentration of mercury in the tissues of organisms increase as it
moves through the...
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