Which phrase best describes a species

A species is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. Other ways of defining species include their karyotype, DNA sequence, morphology, behaviour or ecological niche.

Explanation:

its correct

"a.) well–developed vascular system."

explanation:

okay now i don't know this but for the pints nothing else to say bye