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The best known cartilaginous fish, sharks, do not chew their food; they use their razor-sharp teeth only for biting and tearing.
The closest relative of cattle that has become almost extinct. They used to live in the prairies, today they can only be found in several national parks.
The domestication of the wolf began more than 10000 years ago. After humans, it is the most widespread mammal.
During evolution numerous creatures learnt to adapt to their environment, for example by camouflage.
The largest of the great apes. During evolution humans diverged from gorillas around 6 million years ago.
A popular pet of children. They can be easily recognised by the patches behind their eyes.
The striped horse of the savannahs that pedestrian crossings were named after.
A plant originating from the Caucasus region, grown for its aromatic fruit.
Chamomile is one of the best known and most widely used herbs we have. Its infusion not only cleanses the respiratory tracts but also contains anti-inflammatory and soothing substances.
It is a crop with high yield that is becoming more and more important in our everyday lives. Let’s take a look at what field the rapeseed is utilized in.
If bile contains no digestive enzymes, why does it play such an important role in digestion? How does it work?
The tiny predator of the oceans. Interestingly, the male seahorse carries the fertilized eggs in his pouch until they hatch.
A video about the mammals living in the cold climate zones of the Earth, like the polar bear, seals and penguins.
There are many uses of equatorial aloe species. Beverages and medications are produced from its juicy leaves.
This plant originating from East Asia was used in folk medicine as early as 2000 years ago. It is also a decorative plant of gardens.
Examination of long, rectangular onion epidermal cells under the microscope at 100x magnification.
It likes oak forests. It is easily recognisable by its chestnut coat with cream-coloured mottling.
A plant native to the temperate regions of Europe and Asia that lives mostly in oak forests.
The main characteristic of the rhinoceros is the horn at the front of its skull, which it uses to attack as well as to protect itself.
A forest tree species characteristic of floodplains. It survives long periods of time in saturated or completely flooded ground.
A video about a pink wading bird with an arcuate bill. Its peculiarity is that it sleeps standing on one leg.
A plant species widespread in Europe and North America. It is rather invasive in places where it was introduced, such as the US.
This video explains why the Barbary sheep on the savannahs bear such a strong resemblance to goats.