#Question id: 3278
#Unit 9. Evolution & Diversity of Life Forms
What does the biological species concept use as the primary criterion for determining species boundaries?
#Question id: 3279
#Unit 9. Evolution & Diversity of Life Forms
Which two of the following have operated to increase divergence between mosquito fish populations on island?
a. improved gene flow
b. bottleneck effect
c. sexual selection
d. founder effect
e. natural selection
#Question id: 3280
#Unit 9. Evolution & Diversity of Life Forms
Small populations are threatened by the loss of genetic diversity from
a. Inbreeding
b. Genetic drift
c. Limited mating
#Question id: 3281
#Unit 9. Evolution & Diversity of Life Forms
One population X has 750 AA, 0 Aa, and 250 aa; the other Y has 500 AA, 500 Aa, and 0 aa. After one generation of random mating, the genotype frequencies X and Y respectively if the population size remains 1,000.
#Question id: 3282
#Unit 9. Evolution & Diversity of Life Forms
Natural selection results in different forms of plants which can survive in contaminated or uncontaminated soil. Type of natural selection is
#Question id: 3283
#Unit 9. Evolution & Diversity of Life Forms
if the forward ( p in to q) and reverse ( q in to p) mutation rates for alleles at a locus are 1×10−1 and 1×10−2 per generation, respectively and the allelic frequencies are p = 0.20 and q = 0.80. if you assuming random matting population. Which of the following observation correct?