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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.
Pelicans are highly protected birds. They can be easily recognised by their pouched bill.
Groups of western jackdaws are frequently found in cities. Konrad Lorenz analysed the complex social behaviour of these animals.
The saker falcon is a large bird of prey widespread in Europe and and Asia.
Purifying a solution coloured with fuchsine dye with finely ground activated carbon granules and a filter.
Sound localisation is an important element in orientation. A sound reaches the ear closest to it first.
Certain species can only be found in one or two regions on Earth, as they would be unable to tolerate any drastic environmental changes. These are called stenotopic species.
Certain species spread out over a large area, almost throughout the globe. They are unaffected by changes in the environment; they are called eurytopic species.
Living organisms have different reactions to changes in the environment. We differentiate between stenotopic and eurytopic species accordingly.
Through mild physical exercise, even a trained body doubles the number of breaths it takes within a set amount of time.
