You conduct an experiment on twenty 18-year-old female subjects to see how various intensities of exercise influence heart rate. Which of the following is/are considered an independent variable?
age of subjects
gender of subjects
more than one of these
intensity of exercise
heart rate
Answers: 2
Biology, 21.06.2019 19:10
Which statement about inheritance is true? o girls get most of their traits from their moms, boys get most of their traits from their dads. o male offspring will always have an x-linked genetic disease if the mom is a carrier o fathers always determine the gender of the offspring in humans. o males never have y chromosomes.
Answers: 3
Biology, 22.06.2019 15:40
Which of these is one of the nitrogenous bases in dna? a. proline b. leucine c. glycine d. thymine
Answers: 2
You conduct an experiment on twenty 18-year-old female subjects to see how various intensities of ex...
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