1) What will happen to the effective population size ifwe change the sex ratio from 50% to 90% female? Genetic drift willincrease because
(A)The effective population size will increase
(B) The effective population size stay the same
(C) The effective population size will decrease
(D) The effective population size is unpredictable
2) Which stochastic factor(s) was resulting in theprairie chicken population in Illinois heading towards extinctionbefore the translocation of more birds from outside thestate?
A. Demographic stochasticity.
B. Genetic drift (and likely) inbreeding.
C. Environmental stochasticity
D. All of the above.
E. None of the above
3) Which of the following increases the probability thatthe cartoon prey in a southern population would adapt to theinvading predator by evolving longer legs?
A. High heritability of leg length.
B. Large positive selection differential for leg length.
C. Low migration rates between invaded and uninvaded comic preypopulations.
D. All of the above.
E. None of the above
