Use the table below to answer the question.
a student wants to test the hypothesis that...
Use the table below to answer the question.
a student wants to test the hypothesis that fertilizer improves the growth rate of grass seeds. to test this hypothesis, the student put the same amount of grass seed in 3 containers with the same type of soil. the student measured the growth at the end of the week. all plants received equal amounts of water and sunlight.
a: 2cm
b: 4cm
c: 6cm
d: 12cm
what is the mean height for the grass used as a control?
Answers: 1
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Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these
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Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above
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On a spring day, a middle-latitude city (about 40? north latitude) has a surface (sea-level) temperature of 10 ? c. if vertical soundings reveal a nearly constant environmental lapse rate of 6.5 ? c per kilometer and a temperature at the tropopause of –55 ? c, what is the height of the tropopause?
Answers: 3
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Which major eukaryotic lineages form the bikonta, a monophyletic group characterized by two flagella as a synapomorphy?
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