A Polytypic Species

Multiple Choice

A polytypic species

A) is one that has no phenotypic variability.
B) has never been observed in nature.
C) is one composed of local populations that differ from one another with regard to the expression of NO MORE THAN three traits.
D) is one composed of local populations that differ from one another with regard to the expression of ONE OR MORE traits.
E) is the result of inbreeding.