Which of the following statements is a hypothesis?
A. If a student buys a meal plan, he or she will eat more vegetables.
B. I like my biology class better than my other classes.
C. There are more calories in french fries than in colas.
D. Ginny gained 5 lbs her freshman year.
E. Blake failed the test.
Answer: A
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This apparatus was used in the primitive Earth
atmosphere simulation experiments performed by a. Stanley Miller. b. Thomas Brock. c. Australian researchers. d. Jeon Kwang. e. Lynn Margulis.
Which of the following would be least likely to form a fossil?
a. an animal with an exoskeleton b. an animal with an endoskeleton c. a marine organism d. an organism in the tropical rain forest e. an organism living in a lake
Which of the following represents the possible genotype(s) resulting from a cross between an individual heterozygous
(Bb) and one that is homozygous (bb)? a. BB and Bb
b. Bb and bb c. BB only d. Bb only e. bb only
The geneticist who discovered the white eye mutation in Drosophila and helped establish that genes are carried on chromosomes was
A. Janssens. B. Mendel. C. Morgan. D. Sturtevant. E. Sutton.