Exam 12: Processes of Evolution

Classification.The statements are related to macroevolution.For each one,select the best choice from the following terms. a.stasis b.adaptive radiation c.exaptation d.coevolution e.mass extinction -simultaneous loss of many species

The original source of new alleles is

With ____ selection(s),the allele frequency will shift in a consistent direction.

The study of the evolutionary history of species is called

Hawaiian honeycreeper diversity is best described as an example of

Nondisjunction of chromosomes during meiosis can lead to

Phylogeny is most analogous to

Over evolutionary time,flowering plants have evolved colors,odors,and nectar that attract pollinating insects and the insects have evolved mechanisms that detect the changes in plants and to better collect pollen.This is an example of

The shift in body weight of sociable weaver birds towards an intermediate body weight is an example of ____ selection(s).

____ will neither hurt nor help the individual's chances of survival.

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 -quantifiable,heritable characteristics

A group of organisms sharing a derived character is a

Northern elephant seals are ___ for every allele that has been tested.

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 -the grouping of species on the basis of shared characteristics

Considering two species of birds,which of the following is a derived character?

Ginko,a species of gymnosperm tree,has undergone very little change in its 270 million year evolutionary history.This is an example of evolutionary

Staphlococcus aureus is a bacterium that causes wound infections.Many strains of S.aureus now exist that have evolved resistance to the potent antibiotic,methicillin.This is an example of ____ selection.

____ refer(s)to an allele's abundance within a population.

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 -group of ancestors and all of its descendents

Which of the following is always a part of speciation?