principal precursors and their contributions

Ernesto haeckle: is consider as the dad of ecology because he was the first scientific that propose the creation of a special neologism to define the relations between living creatures and their habitat.

Aristoteles: made books about life of fishes.

Charles Robert Darwin: he sads that all the living creatures have evole.

Louis Pasteur: he´s discoveries had a big importance in different roots of natural sciences.