A solution with a pH of 9 has how many times
fewer hydrogen ions than a solution with a pH
of 6?
a. 2
b. 4
c. 10
d. 100
e. 1,000
E
Biology & Microbiology
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In the reproductive cycle of a fern, a zygote develops into
a. sperm and egg. b. spores. c. a young gametophyte. d. a young sporophyte.
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The major predators of giant squid are:
a. gulper eels. b. sperm whales. c. giant octopus. d. vampire squid. e. viper fish.
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The first species of a community are __________. Fill in the blank(s) with the appropriate word(s)
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Within a single motor neuron, what direction does an impulse follow?
A. Dendrite ? axon ? cell body B. Axon ? dendrite ? cell body C. Dendrite ? cell body ? axon D. Cell body ? dendrite ? axon E. Cell body ? axon ? dendrite
Biology & Microbiology