Human birth weights are kept in teh range of 3-4 kilograms by ____________ selection.
Fill in the blank(s) with the appropriate word(s).
Ans: Stabilizing
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How are the Ca cycle and the C cycle linked in marine environments? How will increased carbon dioxide from anthropogenic activity affect the Ca and C cycling in marine environments?
What will be an ideal response?
Other microorganisms besides coliforms that have been used as indicators of fecal contamination may be
A. Clostridia. B. Enterococci. C. bacteriophages. D. Bacteroides. E. Clostridia, Enterococci AND bacteriophages
Viruses always lack which of the following?
a. A plasma membrane b. Genetic material c. A protein coat d. Organelles
Which region(s) of the X chromosome recombine during meiosis?
A) the heterochromain B) the pseudoautosomal regions C) the male-specific region of the Y D) the centromere E) SRY