Biology, 30.01.2020 16:53 ConfusedJuliana
What do scientists hypothesize causes mass extinctions? major climate changes violent earthquakes rising ocean levels huge clouds of dust
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According to the cladogram, which organisms have roundworms as a common ancestor?
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Biology, 22.06.2019 09:00
What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water
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Biology, 22.06.2019 10:30
Natural selection changes allele frequencies because some survive and reproduce more successfully than others.
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Biology, 22.06.2019 14:00
Scientists are conducting a study on the effectiveness of a new drug on memory loss. they are giving some of the test subjects the new drug to find out if it improves their long-term memory. which are possible limitations of this study? check all that apply. a) test subjects may want to participate in additional experiments. b) test subjects may think they should be paid more. c) test subjects may get bored and want to quit early. d) test subjects may have to travel during the experiment. e) test subjects may have full-time jobs. this is multiple choice. you for the !
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