Use the salamander cards to model how speciation may have occurred from a single ancestral species, as populations spread around California's long Central Valley. Describe your model as a sequence of steps that account for how each species could have become reproductively isolated. help me please ​

(6.02 mc)what affect do marine protected areas have on environmental quality? they increase environmental quality by preventing resource overuse. they increase environmental quality by adding new species. they decrease environmental quality by removing all human activity. they decrease environmental quality by adding recycling facilities.