Stegosaurus

A type of prehistoric reptile having bony plates on its back, which aided thermoregulation.

Freshwater fishes

Many freshwater fishes are also popular as food.

Blue whale

Marine mammals, the largest known animals to have ever existed.

Common European viper

A species of venomous snakes widespread in Europe. Its bite is rarely fatal to humans.

Emperor penguin

Penguins are birds living in the Antarctic and adapted to cold temperature and swimming.

Dodo

The dodo is an extinct species of birds that used to be native to the island of...

Monsters of the Palaeozoic: sea scorpions

Eurypterids are an extinct group of Palaeozoic aquatic arthropods.

Reed and bulrush

Cosmopolitan monocots inhabiting watersides.

Scots pine

One of the most common tree of the pine family, native to Eurasia.

African elephant

The largest land mammal on Earth.

Apple tree

The apple is one of the most popular fruits around the world.

Edible nightshades

Many of the most important food crops we consume belong to the family of nightshades.

The structure of prokaryotic and eukaryotic cells

There are two basic cell types: prokaryotic and eukaryotic cells.

American bison

The American bison is the largest land animal in North America.

Axolotl

The axolotl, also known as Mexican salamander, is an amphibian species that keeps its...

Deinonychus

Deinonychus antirrhopus, the 'terrible claw', was a carnivorous dromaeosaurid dinosaur.

Arctic tern

The Arctic tern is famous for its long migration route: it flies from the Arctic to the...

European pond turtle

The animation shows the anatomy of turtles.

Stag beetle

With the example of the stag beetle we demonstrate how insects' muscles function, how...

Spider silk, spider web

While the density of spider silk is less than that of nylon filaments, its tensile...

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