Plant and animal waste mostly contributes organic waste and is biodegradable. It can be used as manure. Waste that is derived from plant sources is called plant waste. Commonly they include food waste, fruit and vegetable peels, flower trimmings. Dead matter or fallen leaf material which is called litter is also included in this type of waste.
Animal waste is the waste that is obtained from animal sources. It includes material composed of excreta and other remnants of animals except humans. Dead and decayed products of animals are also included. Excreta of animal is another source of animal waste.