2) The Hardy-Weinberg principle tells us what to expect when a sexually reproducing population is a.not evolving b.increasing in size c.changing in size d.evolving e.not evolving under natural selection specifically

A population occupies heterogeneous environments in which the fitness of some genotypes is higher in one environment and the fitness of other individuals is higher in another environment. This situation is likely to result in a. directional selection. b. stabilizing selection. c. disruptive selection. d. balancing selection.

The fantastic coloration and behavioral displays in the birds of paradise that we watched in class were examples of differential sexual selection driven by:   a. Female-female combat   b. Male competition   c. Female choice   d. Intrasexual selection

In the gene pool of a population with 132 individuals, a fixed allele for a particular genetic locus has a frequency of a. 0.75 b. 0.5 c. 0 d. 1

Which of the following types of selection maintain variation in a population?   a. Overdominance (Heterozygote advantage)   b. Underdominance (Heterozygote disadvantage)   c. Frequency-dependent selection   d. Directional selection   e. Both a. & b.    f. Both a. and c.    g. Both a. and d.

What branch of biology deals with the genetic makeup of populations? A. cytology B. ecology C. Mendelian genetics D. population genetics E. population ecology

What is the average survival rate for the Minotaur when the breeding season starts?   A. 0.42   B. 0.54   C. 0.66   D. 0.76   E. 0.83   Following up on Question 6, what is the H2 allele frequency in the gene pool for the next generation?   A. 0.340   B. 0.400   C. 0.485   D. 0.515   E. 0.600

The male bower bird builds an elaborate structure (a bower) of sticks and other objects.  He then displays to females in front of the bower.  The bower building behavior is probably the result of ... ? Group of answer choices a. intrasexual selection b. migration c. natural selection d. intersexual selection e. genetic drift

Assume you are studying a population of hummingbirds. You discover that the smallest hummingbirds can't keep their eggs warm and those eggs tend to fail. You also discover the largest hummingbirds tend to accidentally crush their eggs, so those eggs fail. The medium-size hummingbirds therefore have the highest fitness. What type of selection would this result in?   a. Directional selection   b. Sexual selection   c. Disruptive selection   d. Stabilizing selection

Which of the following is NOT true of stabilising selection a. it occurs when inidivuals with extreme trait values have lower fitness than those with intermediate trait values. b. it keeps the mean close (or moves it closer) to the optimum value c. it can result from opposing directional selection, such as when early flowering makes flowers susceptible to herbivores, but late flowering reduces the availability of pollinators. d. it does not improve the fitness of the population to the environment. e. it decreases the range of variation in the population