Yes, studying how mayfly population affects the number of trout in a stream is ecology.
Ecology seeks to unveil how different organism relate with one another as well as their environment.
Ecology is basically the study of distribution,abundance and relation of organisms and their interaction with their environment.
I don't know the movement but it was led by humanists so I'm guessing the humanist movement
Large companies shipping goods in large quantities or over long distances
Ramón Power y Giralt (San Juan, Virreinato de Nueva España, 7 de octubre de 1775 – Cádiz, España, 10 de junio de 1813), fue uno de los primeros hombres nacidos en la Capitanía General de Puerto Rico que se refirió a sí mismo como puertorriqueño y que luchó por una representación igualitaria de la colonia de Puerto Rico.....
