Which of the following is not true about a hypothesis?
A. It can be proven to be false.
B. Previous knowledge can help support it.
C. It can be proven to be true.
D. It is a tentative explanation.
E. It must be testable to be useful.
C. It can be proven to be true.
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How does the digestive system when food enters the stomach?
1.Increasing salivary secretions 2.Increasing stomach contractions 3.Decreasing release of insulin 4.Increased release of cholecystokinin
The ________ zone includes more than 80% of the benthic environment.
Fill in the blank(s) with the appropriate word(s).
Which of the following statements is correct for both spermatogenesis and oogenesis?
A. They function, approximately, on a twenty-eight day cycle. B. They each have two meiotic divisions. C. They produce polar bodies. D. All of these statements are correct for both processes.
A modern system of classification gives the category name domain to
A) Prokaryota. B) Eukarya. C) Hominidae. D) Fungi. E) insects.