Homework answers / question archive / Biology Final   Longer tails of male barn swallows evolve because female barn swallows prefer to mate with the males that have the longest tails

Biology Final   Longer tails of male barn swallows evolve because female barn swallows prefer to mate with the males that have the longest tails

Biology

Share With

Biology Final
 

1. Longer tails of male barn swallows evolve because female barn swallows prefer to mate with the males that have the longest tails. This process is best described as
2. No two human individuals are alike, except for identical twins. The chief cause of the variation among individuals is
3. Road construction has isolated a small portion of a beetle population from the main population. After a few generations, this new population exhibits dramatic genetic differences from the old one, most likely because
4. Sparrows with the average-sized wings survive severe storms better than those with longer or shorter wings, illustrating
5. Which of the following reflect aspects of Hutton and Lyell's ideas of gradualism that were incorporated into Darwin's theory of evolution?
6. Which of the following is not an observation or inference on which natural selection is based?
7. Analysis of forelimb anatomy of humans, bats, and whales shows that human and bats have fairly similar skeletal structures, while whales have diverged considerably in the shapes and proportions of their bones. However, analysis of several genes in these species suggests that all three diverged from a common ancestor at about the same time. Which of the following is the best explanation for these data?
8. Which of the following observations helped Darwin shape his concept of descent with modification?
9. What is the term for the pattern of evolution where species stay unchanged for long periods of time and then undergo rapid change?