G.G.Simpson provided a definition of an evolutionary species as "a single lineage of ancestor-descendant populations that maintains its identity from other such lineages and that has its own evolutionary tendencies and historical fate." How does this compare with the biological species concept of Mayr?
A)Only Mayr's definition is easily testable for most organisms.
B)Only Simpson's definition is easily testable for living organisms.
C)Mayr's definition is limited to sexually reproducing organisms whereas Simpson's theoretically covers all life.
D)They are in complete disagreement.

Question

Quizplus · Accepted Answer

Mayr's biological species concept is limited to sexually reproducing organisms and is based on reproductive isolation while Simpson's definition theoretically covers all life and emphasizes the maintenance of identity and evolutionary tendencies over time. However, both concepts aim to define a group of organisms that are reproductively isolated from other groups and have their own evolutionary history. Neither definition is easily testable for all organisms.

GGSimpson Provided a Definition of an Evolutionary Species as "A