Variables that are always different between the experimental and the control groups are
(a) independent.
(b) controlled.
(c) dependent.
(d) a and c.
(c) dependent.
Biology & Microbiology
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What do we call soil particles smaller than 0.002 mm in diameter?
a. sand b. silt c. clay d. loam
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Due to ____, trophic level affects the pollutant concentration in an organism’s tissues
a. bioaccumulation b. biological magnification c. ecosystem degradation d. the ozone layer
e. ground-level ozone
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An important role of the hormone oxytocin in reproduction is that it stimulates
A. meiosis. B. ovulation. C. implantation of the embryo. D. development of the fetal heart. E. contraction of uterine muscles during childbirth.
Biology & Microbiology