Biology, 11.11.2019 02:31 robertbyrd2017
During an experiment on frog embryos, a scientist removes a few cells from the neural tube. what effect would this have on the embryo? a. development of the nervous system is affected. / b. development of the digestive system is affected./ c. development of the circulatory system is affected.
Answers: 2
Biology, 21.06.2019 21:00
Which of these serves as a reference for comparison during a scientific investigation? a)outcome variable (dependent variable) b) test variable (independent variable) c)control group d)hypothesis
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Biology, 22.06.2019 15:30
Which one is an advantage of external fertilization a. the offspring are genetically identical to the parents b. more eggs can be fertilzed at one time c. more sperm can be released at one time d. more protection is available for developing plz
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During an experiment on frog embryos, a scientist removes a few cells from the neural tube. what eff...
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