Exam 12: Processes of Evolution

Many male birds will expend a great deal of energy building nests.Females will mate with the males who build the best nests.This is best described as an example of

When allele frequency changes,a population is said to no longer be in

In early evolutionary history,primitive fishes had lungs that eventually evolved into the lungs of terrestrial organisms and the gas bladders of modern fishes who use gills,not lungs,for oxygen/ carbon dioxide gas exchange.This is an example of

A small population of Dutch settled in South Africa in the 17th century and became known as Afrikaners.By chance,a few Dutch settlers carried the gene for Huntington's disease.Today Huntington's disease occurs at a relatively high frequency in this population.This is an example of

Classification.The statements relate to taxonomy.For each one,select the best choice from the following terms. a.character b.clade c.cladistics d.evolutionary tree e.monophyletic group f.phylogeny g.sister groups h.cladogram i.taxon -evolutionary history of a species

In the work that they do,a person who studies phylogeny is most like a

Which of the following is NOT a condition of genetic equilibrium in a population?

The principle of parsimony states that

Which of the conditions necessary to maintain genetic equilibrium is the least likely to occur in a natural population?

Which of the following is most likely the result of a neutral mutation?

Rats not resistant to the effects of warfarin do not have enough of which of the following vitamins?

When individuals choose mates are a particular trait they desire it is called

A mutation that results in the death of the individual is called

Match the evolutionary concepts correctly with the descriptions or examples of the concepts.Matches are not necessarily equal. a.exaptation g.directional selection b.ecological isolation h.disruptive selection c.mechanical isolation i.genetic drift d.behavioral isolation j.founder effect e.sexual selection k.gene flow f.temporal isolation -the genitals of snakes are analogous to a lock and key mechanism- the "keys' will only fit in certain "locks"

In a population of rabbits,some evolve the ability to outrun foxes.This is an example of ____ selection.

If a population speciates in the absence of a physical barrier it is known as