find out in the past if there were some biotic and abiotic factors in the ecosystem you have selected but now they are not found if this is the situation find out the reasons for their deamination
Answers
Darwin has proposed to very important theories of evolution that is theory of natural selection and theory of origin of species evolution has taken place on the earth for last many crores of years ago the exact nature and process of this evolutionary change is become clear after studying the organism the observation made by me at that time are now a state according to the modern development in Science and are found to be correct his work is said to be milestone but every species are wise in the specific or geographical condition the requirements of food and Habitat is specific for a species their product liability and period is different than for the individual from one species cannot produce with individual from another species and due to natural selection there was an extinction of more than 8000 species during the time of evolution then create else that has created hazardous impact on the next living biodiversity as well as on the biotic and abiotic factors in the environment during human evolution the climate earth was start started becoming dry this result into lost of forest cover they switch over arboreal on the trees the recent it and started walking on the land in Umbergaon underwent change and they started working operate on the grasslands the vertebral column also underwent change due to the operate poster of the four Limbs Word font locomotion the lake started wearing the weight of the body and the hands become available for use this is proved.....