Exam 12: Processes of Evolution

Which population is more likely to be affected by genetic drift?

A shift in moth frequency from more light and less dark to more dark and less light is an example of what type of selection?

What organic compound was widely used as a rat poison until 1980?

Any change in allele frequencies in a gene pool is

A group of organisms sharing a derived character is a

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

Female preference for brightly colored blue or red males in Lake Victoria provides an example of

Phylogeny is a sub-discipline of

A population is experiencing ____ if the allele frequency remains stable.

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

The migratory patterns of many animals encourage

Which type of reproductive isolation mechanism is most closely related to allopatric speciation?

A black bear population being fragmented into separate smaller populations by a newly constructed road and the smaller populations prevented from interacting is an example of

Herbicide resistance and Bt genes from GMO crops are now commonly found in weeds. This is an example of

What is the best definition of a population?

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

What is the rat to human ratio in most major cities?

A major change in evolutionary patterns over long periods of time is best described as

____ is a drastic reduction in population size brought about by severe pressure.