A. Through the growth of seaweed B. Through the accumulation of sand C. Through the activities of small animals D. Through the secretion of coral polyps 相关知识点: 试题来源: 解析 D。珊瑚礁是由珊瑚虫分泌的物质形成的,选项 D 符合。选项 A 海草的生长与珊瑚礁的形成无关;选项 B 沙子的堆积不...
How to Protect the Marine Environment The marine environment is crucial to the health and well-being of our planet. It provides a home for countless species of plants and animals, and plays a vital role in regulating the Earth's climate. However, the marine environment is under t...
Diving in the ocean, marine biologist Erika Woolsey has seen how coral reefs (珊瑚礁) are being damaged by climate change. It has made her decide to find a way to share her experience —including those who can’t easily explore the ocean.Through her non-profit, The Hydrous, Woolsey is ...
74. Mr Green studies coral reefs in the Pacific Ocean. 75. Yes, they do. 76. If coral reefs get hurt, many animals have to find new homes, some animals' numbers drop low, and some animals just disappear. 77. Mr Green's job is very important for protecting coral reefs and marine ...
topic: coral reef (珊瑚礁)1。how do coral reef form (珊瑚礁怎样形成的?)2.what is the life cycle of coral reef ?(他的生活循环是怎样的?)3.why are coral reef important ? (为什么他很总要)4.why are they in danger ? (什么使他们快灭绝了?为什么)5.what can be done to protect them?
急啊!!topic: coral reef (珊瑚礁)1。how do coral reef form (珊瑚礁怎样形成的?)2.what is the life cycle of coral reef ?(他的生活循环是怎样的?)3.why are coral reef important ? (为什么他很总要)4.why are they in danger ? (什么使他们快灭绝了?为什么)5.what can be done to protect...
Diving in the ocean,marine biologist Erika Woolsey has seen how coral reefs (珊瑚礁) are being damaged by climate change.It has made her decide to find a way to share her experience —including those who can't easily explore the ocean.Through her non-profit,The Hydrous,Woolsey is using ...
How does ocean warming affect coral reefs? Why are sea urchins important to coral reefs? Why are coral reefs important to the Caribbean? How does water pollution affect coral reefs? How does the coral reef adapt to its environment? How does sewage affect coral reefs?
Atolls:Atolls are ring-shaped and located near the sea surface. They get their shape from growing on top of underwater islands or inactive volcanoes. Threats to Reefs An important part of coral reefs is their calcium carbonate skeleton. If you follow ocean issues, you know that animals with ...
water the plants. We use water to wash our face or to have a bath. We drink water or we will die…Water is also very important for China. There are 2.8 hundred millions of steres of water in China, but everyone can only use 2300 steres. It is only twenty–five per sent in the ...