Discover the Oceans: The World's Largest Ecosystem (Discover by Lauri Berkenkamp, Chuck Forsman

By Lauri Berkenkamp, Chuck Forsman

If the name does not spell it out: taking a look at the drawings during this e-book are larger than vacationing an Aquarium. I realized rather a lot concerning the oceans after examining this that i am contently telling humans factoids approximately it. I learn this booklet to my friend's child, and she's in basic terms four months outdated, yet I nonetheless imagine she is familiar with a little. fee this publication out, you won't be disenchanted.

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They have lots of sea life, but large numbers of only a few different kinds. In some places, the sea creatures exist nowhere else on Earth. In the coldest ocean waters of Antarctica, plants and animals have adapted to life where it is cold all the time. Some Arctic and Antarctic animals, such as whales and seabirds, migrate to warmer places during the coldest parts of the year, but other sea creatures, such as sea stars, crabs, and polar seals, live in the polar water year-round. 37 DISCOVER THE OCEANS FINDING FOOD IN THE OCEAN Sea creatures spend all of their time searching for food, or trying to avoid being food for something else.

Special vehicles came into being in the 1930s, with the longitude: imaginary lines invention of the bathysphere. It was a cast-iron, bub- running through the north and ble-shaped diving bell, invented by a man named Otis south poles that indicate where you are on the globe. Barton, that carried two men down to 3,000 feet (914 sounding: measuring the meters)—the deepest any human had ever been in the depth of water. ocean. Over the next 40 years, other deep-sea vehicles followed the first bathysphere.

48 Seafaring and Ocean Exploration THE FIRST UNDERSEA EXPLORERS People have been experimenting with ways to breathe underwater for thousands of years. Aristotle, a famous Greek scientist, described how divers could turn over a container that was filled with air, stick their heads in, and breathe underwater. Over the centuries, many other scientists, including Leonardo da Vinci, tried different versions of this idea. In the early 1700s, an English scientist named Sir Edmond Halley (the guy who discovered the famous comet) built a diving bell that allowed divers to walk along the bottom of a shallow seabed while breathing air from a huge wooden container.

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