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a student conducted an experiment to test whether talking to plants would...
Biology, 06.11.2019 22:31, Aldcperformer
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a student conducted an experiment to test whether talking to plants would them to grow faster. the student talked to one group of plants and hand watered them. the student did not talk to the other group of plants and used sprinklers. after three weeks, the plants that were spoken to showed much more growth than the plants that were not. the student concluded that talking to plants makes them grow.
which statement describes the validity of the student's results?
a. they are valid because the student ran a controlled experiment.
b. they are not valid because the student did not control all the variables that can affect plant growth
c. they are valid because the dependent variable caused a change in the independent variable
d. they are not valid because the time frame to grow a plant is too short.
Answers: 1
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Astructure that is found in a plant cell and not in an animal cell is a ? central vacuole mitochondrion nucleus ribosome
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Zoo geographic regions are characterized by the presence of specific groups of animals these regions are determined by the taxonomic or phylogenetic relationships of animals. the map shows the zoogeographic regions proposed by the naturalist alfred russel wallace in 1876. the similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between the organisms in both locations ?
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