The right option is; A.They can breed and produce offspring that can breed.
A species are group of organisms in which any two organisms of the appropriate sexes can mate and produce fertile offspring, usually by sexual reproduction. Species usually have a two-part name (binomial). The first part is the genus to which the organism belongs, while the second part is the specific name. For example Felis catus, Felis lybica and Felis margarita are species of cats of the Felis genus.
