A type of herbivorous dinosaur easily recognisable by its large frill and three horns which lived in the Cretaceous period.
Common ciliated eucaryotic unicellular organisms widespread in freshwaters.
Penguins are birds living in the Antarctic and adapted to cold temperature and swimming.
Why do camels have humps? Where do these extremely hardy animals live? Learn the answers from...
This animation presents some animals and plants that lived between the Devonian and...
An ant colony consist of a queen, male ants and workers.
This lesson presents which animals developed feathers during the course of evolution.
Living fossil, important stage in the evolution of tetrapods.
Red deer are even-toed ungulates, ruminants. Their males have spectacular antlers.