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Extras

Large, extinct species of cats named after the shape of their large canine teeth.

One of the best known species of spiders, often kept as pets. Its bite is not fatal for humans.

A transitional form between fish and tetrapods, or four-limbed vertebrates.

Dogs are the domesticated subspecies of grey wolves.

Giant sequoias are the world's largest living organisms by mass.

Blood vessels in fishes' gills absorb oxygen and release carbon dioxide.

This plant that originates from China has become an invasive species.

Curious little animal living in underground burrows in the African savannahs.

Predation is a type of interaction between populations.

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 monogamous species of ape living on the trees.

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.