Quetzalcoatlus was one of the largest known flying animals of all time.
Larvae of this type of mayflies spend the first three years of their lives in water, their adult lives last for only one day which they use for mating.
A prehistoric flying reptile, similar to birds. However, there is no direct evolutionary link between the two.
Penguins are birds living in the Antarctic and adapted to cold temperature and swimming.
In ecology, a niche is a term describing the way of life of a species.
The dromedary is an indispensable animal for inhabitants of the deserts.
While the density of spider silk is less than that of nylon filaments, its tensile strength is greater than that of steel.
Cosmopolitan monocots inhabiting watersides.
The development of mosses, ferns, gymnosperms and angiosperms is characterised by the alternation of generations.
This 3D scene presents the flora and fauna of the last period of the Palaeozoic Era.
There are two basic cell types: prokaryotic and eukaryotic cells.
The American bison is the largest land animal in North America.
The axolotl, also known as Mexican salamander, is an amphibian species that keeps its gills even in adulthood.
Many of the most important food crops we consume belong to the family of nightshades.
The apple is one of the most popular fruits around the world.
Eurypterids are an extinct group of Palaeozoic aquatic arthropods.
One of the most common tree of the pine family, native to Eurasia.
With the example of the stag beetle we demonstrate how insects' muscles function, how insects fly and how they reproduce.
The largest land mammal on Earth.
Deinonychus antirrhopus, the 'terrible claw', was a carnivorous dromaeosaurid dinosaur.