41 Museum services; educational services, namely, arranging and conducting classes, seminars, workshops, lectures, courses of instruction, field studies and conferences in the fields of natural history, ecology, systematic biology, evolution, natural resources and the environment; organizing educational exhibitions in the field of natural history, ecology, systematic biology, evolution, natural resources and the environment; organization of educational research groups in the fields of natural history, ecology, systematic biology, evolution, natural resources and the environment; library services for researchers; development and dissemination of educational material, namely, books, worksheets, handouts, written articles, study guides, teaching materials, booklets, brochures, and research reports of others concerning natural history, ecology, systematic biology, evolution, natural resources and the environment