Answers: 2
Biology, 21.06.2019 23:10
(drag each tile to the correct location.) categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. - a tentative statement used to guide scientific investigations. - makes predictions about future events. - can be tested by many independent researchers. - based on observations of natural phenomena. - a well-established, highly reliable explanation.
Answers: 1
Biology, 22.06.2019 07:30
Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables
Answers: 3
Biology, 22.06.2019 11:30
Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.
Answers: 1
(d) Provide reasoning to justify your prediction in part (c)...
Mathematics, 27.03.2020 22:28
Mathematics, 27.03.2020 22:28
Mathematics, 27.03.2020 22:29
Mathematics, 27.03.2020 22:29
Biology, 27.03.2020 22:29
Mathematics, 27.03.2020 22:29
Mathematics, 27.03.2020 22:29
Mathematics, 27.03.2020 22:29
Social Studies, 27.03.2020 22:29