PLANTS need sunlight to grow. What about the plants in the ocean? Many live only near the sea surface (表面). Some grow at the bottom of the sea. Land plants have roots. Ocean plants without roots1 ……

霸占海洋的藻类Plants need sunlight to grow. What about the plants in the ocean? Many live only near the sea surface (海面). Some grow at the bottom (底部) of the sea. Land plants have roots (根). Ocean plants ……

亚纳狮子鱼) can live at depths (深度) of 8,143 meters in the ocean.   4. Ocean plants make 70 percent of Earth’s oxygen (氧气). Many ocean plants live only near the surface (水面). Without roots ……

亚纳狮子鱼) can live at  depths (深度) of 8,143 meters in the ocean. 4. Ocean plants make 70 percent of Earth’s oxygen (氧气). Many ocean plants live only near the surface (水面). Without roots ……

. “I tested (试验了) more than 40 kinds of ocean plants. I found a kind of red seaweed. I call ……

to it. Many ocean plants and animals are in danger (危险). So we must work to protect them. We should...保护地球最大的资源——海洋We humans live on land. The ocean (海洋) is around us. It’s the largest resource (资源 ……

% of the Earth’s surface (表面). Under the ocean there are many kinds of amazing animals and plants. Let’s meet them one by one!Pacific Ocean太平洋是最大的洋It is the largest and deepest ocean in the world ……

. Plants, algae (藻类), and some bacteria (细菌) in the ocean can make oxygen. Also, the ocean takes in 50... planet”. That’s because the ocean covers over 70 percent of Earth. The ocean is very ……

of the ocean’s animals and plants. They test how warm and clear the water is. They also find ship or plane...潜入深海，发现蔚蓝世界的奥秘！ Seen from outer space, Earth is a blue planet (星球). This is because the ocean ……

swim down to see the fish and plants. We'll have fun in three ocean parks (海洋公园). Let's go! The Earth...在) oceans and rivers. About 80% of the world's people live near the sea.The biggestPacific Ocean太平 ……

animals and plants.More than 275,000 kinds of fish and other animals live in the ocean. Most of them... and the food we eatThere are five oceans in the world — thePacific Ocean(太平洋),Atlantic Ocean(大西 ……

氧气The ocean is like Earth’s lungs (肺). It makes over half of the world’s oxygen2. Plants... planet”. That’s because the ocean covers over 70 percent of Earth. The ocean is very ……

环绕我们的海洋
the underwater world together. Amazing sea plants and animals are waiting for us. If we look down...的面积约占地球表面积的70%。2. There are four oceans in the world: the Pacific Ocean (太平洋), the Atlantic Ocean (大西 ……

oceansThe ocean is home to the majority (大多数) of plants and animals on Earth. Marine (海洋的) plants... of seawater – the ocean. In 2008, the United Nations recognized (确立) June 8 as World Oceans Day ……

.The Galapagos Islands are in the Pacific Ocean, 1,000 kilometers from the South American continent. They belong to the country of Ecuador (厄瓜多尔).The islands’ location, climate and ocean currents (洋流) are what ……