Exam 21: The Evidence for Evolution

Natural selection has favored the dark form of the peppered moth in areas subject to severe air pollution,perhaps because on darkened trees moth-eating birds see them less easily.As pollution abated,the light forms were favored because

Which one of the following statements about the evolutionary divergence of horses in North America is false?

Evidence for evolution can be obtained by examining presently existing species through studies on each of the following except one.Select the exception.

Considerably more phenotypic variation exists in domesticated varieties of species like dogs and cabbages than exists in non-domesticated species like lions and maple trees.Which one of the following statements best explains why this is true?

The half-life of carbon-14 is 5,600 years.A fossil that has one-eighth the normal proportion of carbon-14 to carbon-12 is probably

It could be said that today's Australian marsupials and today's placental mammals have

Which of the following is the best reason that the origin of species according to creation science should not be included in the curriculum of biology courses?

The evolution of similar forms in different lineages when exposed to the same selective pressures is

The shape of the beaks of Darwin's finches and industrial melanism are often cited as examples of the process of _______________ leading to evolutionary change.

A biologist seeing a sign describing evolution as "just a theory" would think that

The most precise method of obtaining estimates of the absolute ages of geological deposits is

In the case of the toothed whales,the fossil record

The pattern of wet years and dry years shown will probably move the population toward

Which one of the following "alternate" hypotheses might also explain industrial melanism?

Charles Darwin argued that evolution is accomplished by the process of natural selection.Which of the following is not important to the concept of natural selection?

During growth in the mother's uterus,human embryos and fetuses exhibit characteristics of other vertebrates,suggesting that humans are related to the other forms.This represents which of the following lines of evolutionary evidence?

Which of the following is an example of convergent evolution?

You see a sign on a door that reads "Homologous Structures Inside." You go in and find

All vertebrates contain a similar pattern of organs,indicating that they are related to one another.This represents which of the following lines of evolutionary evidence?