Paleospecies are defined in terms of:
A)morphological variation
B)sexual dimorphism
C)reproductive isolation
D)arbitrary criteria

Question

Quizplus · Accepted Answer

Paleospecies are defined based on morphological variation in fossils. The term "paleospecies" refers to extinct species, which can't be defined in terms of reproductive isolation or sexual dimorphism, making option C and option B incorrect. While there may be some arbitrary criteria involved in determining paleospecies, defining them based on morphological characters is the most common and widely accepted approach.

Paleospecies Are Defined in Terms Of