Biology, 15.05.2021 04:10 niceguy1997
When blood vessels narrow, they help increase blood pressure. Thinking only about smooth muscle in the arms, you know that Select one: a. Acetylcholine increases calcium levels in arm smooth muscle b. Epinephrine increases calcium levels in arm smooth muscle c. Acetylcholine decreases calcium levels in arm smooth muscle d. Epinephrine decreases calcium levels in arm smooth muscle
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Biology, 21.06.2019 19:00
Which conditions are necessary for natural selection to occur? select all of the answers that apply. a. inheritable adaptations vary among individuals. b. the population size is increasing. c. more individuals are born than can survive. d. fitness varies among individuals. e. the environment changes suddenly and drastically.
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Biology, 21.06.2019 21:00
Explain two reasons you think it is important for scientists to search for new ways to treat cancer
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Biology, 21.06.2019 22:00
This is one of the five kingdoms in the older biological succession. organisms in this kingdom are prokaryotic
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Biology, 22.06.2019 04:30
Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?
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When blood vessels narrow, they help increase blood pressure. Thinking only about smooth muscle in t...
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