An evolutionary advantage of less body hair and more sweat glands most likely occurred as a result of .
a. bipedalism
b. decreased melanin production
c. migration from the plains to mountainous regions
d. the global spread of populations to Arctic regions
e. the tendency for early humans to conserve more body heat

If cells in the process of dividing are subjected to colchicines, a drug that interferes with the functioning of the spindle fibers, at which stage will mitosis be arrested?

Which sentence is an example of a strong conclusion to an autobiography? a. i stayed after school three days in a row to practice onstage in the auditorium. b. i knew i would have to practice all week to memorize my dance for the recital. c. after the recital was over, i knew practicing was worth it, and i was looking forward to my next big challenge. d. on opening night, i danced in front of a packed auditorium.

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?