Understanding Sympatric and Allopatric Speciation Practice Test

A disease ravages a large fox population, killing all members that did not have a genetic resistance to the disease

Certain members of a human population have more offspring than others

A river separates members of a squirrel population that used to occupy the same geographical area

Hawks with thin, sharp beaks primarily eat fish and small rodents, while hawks with larger beaks tend to eat reptiles and larger birds

Houseflies from a certain region migrate and interbreed with a different housefly population in a neighboring area