Classification of ecosystem and Environmental balance
There are natural areas that contain some living organisms such as lion , elephant , deer and plants , Some non-living things such as air , soil ….etc , Each one of these natural...
Tagged: Food relationships
Food relationships among living organisms ( Predation , Symbiosis & Saprophytism )
Food is the main source of energy for all living organisms , where green plants make their own food during photosynthesis process from simple substances which are carbon dioxide gas and water , Sunlight...
