Henry Sherring Pratt - 1935 - Visualizzazione estratti
A Manual of the Common Invertebrate Animals: Exclusive of Insects |
Fresh-Water Invertebrates of the United States: Protozoa to Mollusca"Part memoir, part manifesto, this exploration of the underside of America's obsession with safety is prompted by the author's visit to a thrillingly alarming adventure playground in Tokyo "How fully can the world be explored, " asks Amy ... |
Fundamentals of EcologyBasic ecological principles and concepts; Introduction: the scope of ecology; Principles and concepts pertaining to the ecosystem; Principles and concepts pertaining to energy in ecological systems; Principles and concepts pertaining to ... |