Biologists Are Not Yet Able to Apply the Phylogenetic Species

Multiple Choice

Biologists are not yet able to apply the phylogenetic species concept to all forms of life because ____.

A) individuals within populations exhibit genotypic and phenotypic variation
B) detailed evolutionary histories have been described for relatively few groups of organisms
C) many forms of life reproduce asexually
D) evolutionary history cannot be determined for extinct species
E) it does not distinguish closely related species that are nearly identical in appearance