Animals are those organisms which are eukaryotic, multicellular and heterotrophic in their mode of nutrition. Except few, most animals are mobile and do not have cell wall. The two sides of the body ...

Fish, flies and bears, oh my! A new research breakthrough gives genetic proof of how differences in (very different) animals develop. An international team of biologists has identified the molecular ...

Carl Linnaeus was probably not the first scientist to realize the inherent connectedness of life on this planet. But he articulated and codified it. In the 10th edition of his Systema Naturae, ...

Living things are identified and categorised on the basis of their body design in relation to their form and function. So, the classification of life forms is closely related to their evolution ...