test 3 part 5 Flashcards
what is macroevolution?
the accumlated effect of microevolution ofver long periods of time.
the species as an evolutionary unit must by definition be what?
fluid and capable of changing
by defining species we can better understand what?
evolution and how new species have come to existence.
by delimiting species we can better identify what?
their properties and requirements
what isthe biological species concept?
species are groups of actually or potentially interbreeding populations that are reproductively isolated from other groups
if a piece of another similar groups genome is found in a species than are the two different species?
no, not according to the biological species concept
what is the morphospecies concept?
members of the same species have similar morphological charactersitics
what is the colological species concept?
2 species with similar niches cannot coexist in the same location at the same time
what constitutes different species in ecological specieation?
the organisms constitute different niches
