Exam 2: Ecology’s Evolutionary Backdrop

The evolution of which two groups is an example of parallel evolution?

A breeder is interested in producing an amelanistic morph of a bird species she breeds.Is this natural selection?

Which term refers to a trait that has a genetic basis and is capable of being passed down to subsequent generations?

What type of experiment takes organisms from a variety of sources and rears them under the same conditions?

A zebra was bred in captivity with a horse.The resulting offspring were all sterile.This can be thought of as a ________

While you're walking your dog,you observe two snails interacting on a turf of grass.You recognize that they are two separate species.The two individuals are attempting to mate,but the direction of the turn in the shell prevents the two species from successfully mating.This is an example of:

Darwin's finches are often used as examples of what?

Island endemics evolve because they:

The distribution of a subspecies of salamanders Ensatina eschscholtzii,is known as ________.

Several finches from the mainland of South America fly to a Pacific Island archipelago and colonize the first island they get to.Over time,individuals on this island fly to a nearby island and colonize it.This process occurs repeatedly and over evolutionary time each colonizing bird becomes its own species due to distinct ecological and environmental processes taking place on each island.What type of speciation best describes this example?