Some helpful documents for Life Science students 1.GIS Spatial data 2.Invertebrate zoology Sexual reproduction in protozoa, Rotifer, Sponge, Cnidaria, Arthropoda 3.Vertebrate zoology Vertebrata, Sea turtle, Reptiles, Fish, Crocodiles, Amphibia, Crocodile farming in bangladesh 4.Ecology Biogeochemical cycle, Nitrogen cycle, Nitrogen cycle, Ecosystem, 5.Oceanography Chemical oceanography, Chemical & Biol…