33. crystal thinks that plants grow better with light than in the dark. to test this hypothesis,
she performed an experiment with the following steps:
• plant five radish seeds in one cup of soil and five carrot seeds in another cup of soil.
• give both cups the same amount of water.
. place the radish seeds under a lamp, and water them every day.
• place the carrot seeds in a dark closet, and water them every day
crystal changed more than one variable in her experiment. which of these changes should
crystal make so that her data are in answering her hypothesis?
a. use only one type of seed
c. place both cups in the closet
b. place all the seeds in one cup
d. use two different types of soil
Answers: 1
Biology, 22.06.2019 06:00
Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?
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Biology, 22.06.2019 21:00
Draw the conjugate acid for the following base. remember to include charges and non-bonding electrons where necessary.
Answers: 1
33. crystal thinks that plants grow better with light than in the dark. to test this hypothesis,
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