Step-by-step explanation:
1. Biological species concept- this concept explains the species as the organism which can interbreed with the similar individual and can produce a fertile offspring.
2. Phylogenetic species concept- explains the species as the organism which shows some phylogenetic relationship with other organism that is they share a common ancestor
3. Morphological species concept- the species which can show the similarity with other organism that is the organisms which appear similar or they posses same characteristics.