Scientists always believed sponges were the earliest animals, but recent evidence suggests that the comb jellyfish was actually the first. Many animals from prehistoric times became extinct, but these are five that still exist.
, even though they are the largest land mammal in South America. Also known as a living fossil, they have remained relatively unchanged for the past 20 million years. However, they are now endangered and are hunted by poachers for their meat and skins.of leaves, plants and fruit daily. While they are often said to resemble pigs or elephants, they are related to rhinos and horses. They love the water and will submerge themselves to cool off and dive to feed on aquatic plants.
They have been a source of food — both meat and milk and their hair is used to create textiles. There is also the wild Bactrian camel, which is a different species. Also, dating back many thousands of years, they areInterestingly, they can drink salt water with a higher salt content than seawater, while domesticated Bactrian camels do not have the ability to do this. Scientists do not yet understand how this is possible..
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