The best method for determining whether bean plants require sodium is to ________.

Fill in the blank(s) with the appropriate word(s).


Ans: grow bean plants with and without sodium

Biology & Microbiology

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__________ species of many plants (and a few animals) originated by chromosome doublings and

hybridizations. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Two ways in which new alleles can become incorporated in a population are

a. mutation and genetic drift. b. selection and genetic drift. c. selection and mutation. d. mutation and gene flow.

Biology & Microbiology

Which of the following are pressure reservoirs with low resistance to flow?

a. arteries b. arterioles c. capillaries d. venules e. veins

Biology & Microbiology

Most of the processes that influence the hydrologic cycle are 

A. biological processes. B. physical processes. C. ecosystem processes. D. wind processes.

Biology & Microbiology