History of the Universe

History of the Universe eBook. 398 pages, 300 illustrations only $2.99

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Annelid Worms

Later worms had bodies divided into segments. They had a watery space (coelom) in their bodies which acted like a skeleton. This also gave room for new organs to grow within the body of the animal. Worms today are often parasites of other animals. They include the flukes, tapeworms, hookworms and roundworms. Worms are also very useful. Earthworms eat dead leaves and turn them into soil.

Beyond Saturn there are two gassy planets, Uranus and Neptune and a variety of little icy dwarf planets such as Pluto. Far out beyond Pluto there are many smaller icy objects like the snowballs which formed the planets. They are the comets, and sometimes one of them wanders in near the Sun.

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History of the Universe eBook
History of the Universe eBook
Only $2.99

Written by Wyken Seagrave
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