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With the example of the stag beetle we demonstrate how insects' muscles function, how...
A species of venomous snakes widespread in Europe. Its bite is rarely fatal to humans.
Jellyfish are free-swimming marine animals, a species of Cnidaria, the most ancient group...
Freshwater fish used as food in many parts of the world.
The largest species of lizard that lives in isolation. Even a single bite of it can be fatal.
Blood vessels in fishes' gills absorb oxygen and release carbon dioxide.
Marine mammals, the largest known animals to have ever existed.
The cockchafer (or maybug) is a widespread bug in Europe. Its larvae, known as chafer...