Biology, 07.04.2020 03:01 lizzlegnz999
You are studying the effect of fertilizer on the yield of tomatoes. In order to do this, you use the same type of tomato seedlings, make sure they get the same amount of water, and are exposed to the same amount of sunlight. What type of experimental variable is the yield of tomatoes? a) dependent variable b) independent variable c) controlled variable d) none of the above
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Which of the following elements does soil need in the largest quantities to sustain plant life? a. copper b. iron c. nitrogen d. zinc
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What is the genotype for the following phenoytpe: a male fruit fly that is heterozygous for eye color and homozygous dominant for wing size. a eeww b eeww c eeww d wewe
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Biology, 21.06.2019 19:30
Look at the following answer choices and determine which belongs in the both category. testable, can be disproven explains natural phenomena, has evidence to support it prediction, tentative, one or more scientists working together well established, many different scientists working independently, highly reliable
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Biology, 22.06.2019 05:00
Which mechanism of transport takes place when solute particles move from a region of high concentration to a region of low concentration? active diffusion isotonic osmosis
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You are studying the effect of fertilizer on the yield of tomatoes. In order to do this, you use the...
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