The Wallace line

The Wallace line divides the fauna of Asia and Australia.

From the Sahara to Amazonia

Sahara sand carries nutrients essential for the Amazonian flora.

The permafrost

The boundary of the permanently frozen region is retracting due to global warming.

The Kalahari Basin

Due to its location, the Kalahari basin has a unique climate, flora and fauna.

Mutualism

Mutualism is a relationship between individuals or populations of different species that is beneficial to both parties.

Indigenous peoples in Africa - The Nomads

Migrating nomadic shepherds are still living around the Great Rift Valley in East Africa.

The lungs of the Earth Tropical Rainforests

Tropical rainforests play an important role in regulating the Earth climate.

On the track of the rain - Savannahs

The flora and fauna of the savannahs adapt to the climate.

The East African Rift

The Great Rift Valley in East Africa was formed as a result of the movement of tectonic plates.

Where all water disappears - The Desert

Deserts cover nearly one-seventh of the Earth's land surface.

Cuboid

A cuboid is a polyhedron with six rectangular faces.

Nets of a cuboid

This animation demonstrates the different nets of a cuboid and includes a game.

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