Match the following types of species concepts with their corresponding characteristics:
a) Gene flow among populations of the same species.
b) All individuals of a species share unique diagnostic characters.
c) A group of organism acquiring similar adaptations to the ecological niche that they share.
d) A group of individuals sharing the same ancestry.
1) Biological Species.
2) Morphological Species.
3) Phylogenetic Species.
4) Ecologic Species.