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Answer:

Savanna grassland is known as the zoo of the world because It is the second largest vegetative belt of the world. ... Therefore, food chain and ecosystem remains healthy and balanced that it turns minimum space for the growth reproduction and spread all verities of birds and animals so, it is known as the zoo of the world.

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Answer:

The grassland savanna is called the zoological of the world because of its great diversity of living beings.

Explanation:

The grassland savanna is one of the biomes with the greatest biodiversity and also one of the most threatened, which currently presents great degradation and several species at risk of extinction.

In addition to the numerous insects, birds, rodents and reptiles, the savannas have a very diverse fauna with elephant, tapir, anteater, otter, capybara, maned wolf, giraffe, lion, antelope, rhino, wild boar, hare, deer, deer, zebra , among others.

Its diversity in vegetables is also great, constituted in large part by grass, grass and herbs, the trees that appear in the vegetation deserve mention: acacia, baobab, bottle trees, eucalyptus, etc.