A Slice of Ocean Life
鱼系What do you think you might e in a tide pool?
1 You might think that the ocean is the only place in nature to find a creatures. But if you visit the beaches of the northeast United States, you might get to e all kinds of ocean life in the miniature worlds of tide pools.
2 Tide pools form when the tide goes out and ocean water is trapped in rocky hollows near the shore. Many different types of plants and animals live in the pools. The one thing they have in common is that they must be strong. It is not easy to survive in an environment that changes often.
3. High-level pools are shallow.形容安静 They are the most difficult types of pools for animals to live in. The sun caus some of the water in the shallow pools to evaporate, or dry up. That makes the water even saltier than the ocean. On the other hand, when there is a lot of rain, high-level pools lo much of their saltiness. This can also be hard for a creatures to survive.
4 Some animals have shells that keep them from drying out in the sun. A barnacle has a soft, slippery body that is covered with a hard shell made of tiny plates. Barnacles attach themlves to rocks. When a water washes over them, barnacles open up their plates.
They u their legs to trap small bits of food from the water.
5 It is a bit easier for a creatures to live in mid-level tide pools. The water is deeper there. 普通台球The tide washes over them veral times a day, so they do not become too dry. Creatures like the starfish and the a urchin live in mid-level pools. Their sticky tube feet help them cling to rocks. This keeps them from being pulled out to a by big waves.
6 Sea anemones,潜台词什么意思 which look like aweed,电器的英文 also live in mid-level tide pools. An animal that gets stung by the tentacles of a a anemone finds out very quickly that it is not a plant.
7 Low-level tide pools often contain forests of kelp, 运动会开幕式方案a type of brown aweed. The kelp provides a home or rves as food for many types of a animals, such as small fish, worms, crabs,清空历史 益气复脉sponges, and a urchins. Ocean animals are not the only ones who find a good u for kelp. People u it as an ingredient in ice cream.
8 The next time you have a chance to stroll along the ocean shore, be sure to keep your eyes open. You just might get to peek through a window into the world of underwater animals.
