Many animals are forced to do physical labor. They are used as a means of transport, to pull plows, carry goods, and to power mills. Others are used a...
Many animals commonly associated with Bolivia include the llama, the guanaco and the alpaca but the country is also home to the jaguar, the maned wolf...
Where did the first living cell come from?How did the first living organisms evolve?What was the first organism humans evolved from?Did the first liv...
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