Some animals cover huge distances on a seasonal basis in order to survive.
The pulse is the rhythmic expansion of the arteries caused by the outflow of blood from the heart when it contracts.
The European pond turtle can be found in swamp areas and on banks of shallow lakes.
The largest owl in Europe is the Eurasian eagle-owl, which hunts silently at night.
There are around 220 species in the family Pinaceae. Let’s take a look at some of them.
Domestic yaks (Bos grunniens) are large, cold-tolerant ruminants living mainly in Central Asia's high mountains.
The steppe eagle is a large eagle species that inhabits steppes and mountains in Asia.
The young leaves of the evergreen tea plant are used to prepare a stimulant infusion.
Learn about the significance of regeneration in the animal kingdom by examining various examples.
It is an echinoderm living on the sea floor that plays an important role in the circulation of substances.
Sea stars are predatory echinoderms known for their exceptional regenerative abilities.
The crested gibbon swings through the trees of Southeast Asia’s monsoon forests with acrobatic agility.
Viruses consist of protein and DNA or RNA; they reprogram infected cells to produce more viruses.
Subterranean rodents widespread in Central- and Eastern Europe.
Pollen serves to fertilise the egg of plants. Pollen grains come in a variety of shapes and sizes, characteristic of the species.
An acyl-carrier coenzyme taking part in both anabolic and catabolic processes.
This animation demonstrates birds' bones and eggs through the example of the common blackbird.
The characteristic colours of the common kingfisher aid the bird in catching its prey.
Based on their life cycle, insects can be grouped into three categories: ametabolous, hemimetabolous or holometabolous insects.
Extinct species of fish which had thick ´armour´ protecting the head.
Living fossil, important stage in the evolution of tetrapods.
A prehistoric amphibian and an early representative of the Tetrapods, which became extinct 360 million years ago.