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For centuries, the Eurasian eagle owl has been the symbol of wisdom and knowledge.
The most ancient group of animals, they live underwater, lack real tissues and body symmetry.
Certain mollusks produce pearls in order to protect themselves from parasites or debris....
During the evolution of vertebrates the relative development of brain areas has changed.
Freshwater fish used as food in many parts of the world.
A transitional form between fish and tetrapods, or four-limbed vertebrates.
The European pond turtle can be found in swamp areas and on banks of shallow lakes.
This prosimian is an excellent example for a species' evolution in geographical isolation.Lemur...