The many kinds of animals living in the ocean form an ocean community.While some ocean animals spend all their time in the water. others spend some of their time on land. 生活在海洋中的多种动物形成了一个海洋群落。而一些海洋动物则
The twilight zone of the ocean is a dimly lit place with just enough light to vaguely see one's surroundings, but not enough light for plants to grow. This means that the only organisms that can survive in the twilight zone are animals....
Longest-living animals: the Red Sea Urchin. By Kirt L. Onthank, CC BY 3.0, Link Red Sea Urchins (scientific name: Strongylocentrotus franciscanus) can live to be 100 years old, and some may reach 200 years or more. They live in the northeastern Pacific Ocean from Alaska to Baja Californ...
What are Coral Reefs? Is It a Living Thing? What are Reefs? What aquatic ecosystems have brackish water? What animals are in the bathypelagic zone? How many animals are in a pelagic zone? Bacteria that live on the ocean floor are sustained by ...
11.Many people think the dinosaurs were the biggest animals that ever lived.They are wrong.The world's biggest animal is still living and it lives in the ocean.It is called the blue whale (鲸鱼).Blue whales can be as long as 30meters and weigh as much as 1,000kilos.The largest dinos...
从“Its Earth’s largest environment—the ocean. Millions of living things are found in Earth’s oceans.” 可知海洋是世界上许多动物最大的家园,D 正确。。 空白处后文提到 “Ocean animals have their own ways that help them live in their environment”,说明此部分在讲海洋动物在水下的生存方式.“...
Warming seas, together with polluted water and fertilizers (肥料), have created huge growth of algae (藻类) on the ocean's surface. The algae cut out the sunlight that allows the seagrass to grow.Last year, 1,101 manatees died, which was a record. Most died from hunger. Many of the ...
And I’m not the only one who loves whales. Different peoples across the world have a special place for whales in their hearts. Take the Maori people in New Zealand as an example. Living by the ocean, they see whales as guardians...
The blue whale's call is the loudest of any animal on earth, reaching 188 decibels. The sea sponge is a living ocean animal yet it has no head, mouth, eyes, bones lungs, brain or even a heart. The male seahorse, rather than the female, is the only animal known to man that gives...
On the land of Antarctica the number of species in an ecosystem can be quite small, particularly among invertebrates. In the ocean however there is a rich variety of life thanks to the nutrients that are stirred up by the strong ocean currents. ...