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When during fetal development do rhythmic breathing movements begin? a) late in the 3rd trimester b) just after fertilization c) when contractions begins d) early in the 2nd trimester
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Biology, 22.06.2019 08:10
Ascience research group is testing a new type of plant food. one trial is conducted in a controlled experiment. the data from the trial show that the plant that received the new food grew faster than the control plant. the group announces that the new plant food makes plants grow faster. what is the main weakness in this scientific claim?
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Biology, 22.06.2019 16:30
Which of the following cognitive skills have not been displayed by animals? a. using tools b. forming concepts c. transmitting culture d. using syntax
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Biology, 22.06.2019 20:30
The passing on of genetic traits from parents to offspring.
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Biology, 22.06.2019 21:00
One student group hypothesized that the dry baker's yeast must be alive.the temperature change, odor, and bubble foation, they said, indicated whych characteristic of life
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When during fetal development do rhythmic breathing movements begin? a) late in the 3rd trimester...
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