Tagged: predation

October 31, 2017

Classification of ecosystem, Environmental balance and Factors that keep the environmental balance

There are natural areas that contain some living organisms such as lions, elephants, deer, and plants, and Some non-living things such as air, soil ….etc, Each one of these natural areas is called an...

The Living Organisms

October 27, 2017

Food relationships among living organisms (Predation, Symbiosis and Saprophytism)

Food is the main source of energy for all living organisms, where green plants make their food during the photosynthesis process from simple substances which are carbon dioxide gas, and water, Sunlight as a...