Stabilizing selective pressures result in
a. rapid, broad evolutionary changes
b. limited evolutionary changes
c. an increase in genetic diversity
d. extreme gene distributions

Moving down the ramp from 6 meters to

Which is an example of a vestigial structure? a. tail of a monkey b. fin of a fish c. flower of a plant d. tailbone of a human

What mistake did john needham make that caused him to conclude that spontaneous generation for microorganisms occurred? a. he re-contaminated his boiled broth solutions. b. he destroyed the vital force in the solutions. c. he did not boil his broth solutions, only warmed them. d. he failed to seal his flasks of boiled broth. e. he allowed his assistant to conduct the experiment which he did not monitor closely.