A scientific theory can be based upon an untested hypothesis.
a. true
b. false
a. true
Biology & Microbiology
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Microspores are indicated by
a. A. b. B. c. C. d. D. e. E.
Biology & Microbiology
In a grasshopper, all the body tissues are bathed in blood that is in the
A) tracheae. B) heart. C) spiracles. D) hemocoel. E) capillaries.
Biology & Microbiology
Which of the following is not affected by the presence of epigenetic marks?
A. development B. imprinting C. X chromosome inactivation D. maturation of RNA E. unique expression patterns in different cells
Biology & Microbiology
Which zone of the ocean is found above the
continental shelf? a. abyssal b. benthic c. pelagic d. neritic e. oceanic
Biology & Microbiology