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This animation presents some animals and plants that lived between the Devonian and...
The most ancient group of animals, they live underwater, lack real tissues and body symmetry.
During the evolution of vertebrates the relative development of brain areas has changed.
One of the best known species of spiders, often kept as pets. Its bite is not fatal for...
Jellyfish are free-swimming marine animals, a species of Cnidaria, the most ancient group...
Marine mammals, the largest known animals to have ever existed.
The European pond turtle can be found in swamp areas and on banks of shallow lakes.
Chameleons are reptiles with an ability to change their colours.