State TWO ways in which the mating call of the new isolated southern frog population differs from the north population of frogs.
(2)
Suggest why the new isolated southern population of frogs could be
considered a separate new species.
(2)
Describe how it can be proven that the new isolated southern
population of frogs is a different species.
(2)
4​

h

tropicalis, or Western clawed frog. While the two can interbreed, the offspring survive only if the mother is African. With the occasional appearance of coydogs, pizzlies and ligers, it's clear that different species can often interbreed, even if the offspring are infertile.

proofreading function

Explanation:

DNA polymerase has a proofreading function that enables it to detect errors/enzymes and correct them. The suffix -ase indicates an enzyme.