The plague is typically transmitted via the bite of
A. ticks.
B. fleas.
C. lice.
D. mites.
B.
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A sterile hybrid plant can form a fertile new species if its chromosomes are doubled. This is referred
to as
a. allopatric speciation b. cladogenesis c. a hybrid zone d. anagenesis e. sympatric speciation
The corpus luteum is indicated by the letter ____
a. A b. B c. C d. D e. E
How are chromosomes maintained in the equatorial plane during mitotic metaphase?
a) by binding to the metaphase plate b) by a tug-of-war between balanced pulling forces exerted by chromosomal spindle fibers from opposite poles c) by a tug-of-war between balanced pulling forces exerted by polar spindle fibers from opposite poles d) by a tug-of-war between balanced pulling forces exerted by astral spindle fibers from opposite poles
Organisms that require high levels of sodium chloride in order to grow are called ________ organisms.
Fill in the blank(s) with the appropriate word(s).