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The savannah hypothesis (or savanna hypothesis) is a hypothesis that human bipedalism evolved as a direct result of human ancestors' transition from an arboreal lifestyle to one on the savannas. According to the hypothesis, hominins left the woodlands that had previously been their natural habitat millions of years ago and adapted to their new ...
A savanna or savannah is a mixed woodland-grassland (i.e. grassy woodland) biome and ecosystem characterised by the trees being sufficiently widely spaced so that the canopy does not close. The open canopy allows sufficient light to reach the ground to support an unbroken herbaceous layer consisting primarily of grasses.
Grasslands are dominated by grasses and other herbaceous plants. Savannas are grasslands with scattered trees. Shrublands are dominated by woody or herbaceous shrubs.. Large expanses of land in the tropics do not receive enough rainfall to support extensive tree cover.
Test your knowledge on all things zoology with these animal trivia questions about cats, dogs, fish, zoo animals and insects perfect for kids and adults. 100 animal trivia questions that will make ...
Long, narration-free, slow-motion sequences of lion and cheetah hunts are accompanied by evocative orchestral music. Night-time cameras follow rarely seen animals including aardvarks, servals and an African wild cat. The reasons for this abundance of life are the savannah's vast size, fast recycling of nutrients and the adaptability of its ...
Mammals living in the African savannah are far more afraid of hearing a human voice than a lion’s growl, according to a new study that may lead to better strategies to steer animals away from ...
The common eland (Taurotragus oryx), also known as the southern eland or eland antelope, is a large-sized savannah and plains antelope found in East and Southern Africa. An adult male is around 1.6 m (5.2 ft) tall at the shoulder and can weigh up to 942 kg (2,077 lb) with a typical range of 500–600 kg (1,100–1,300 lb).
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