Over time, various shapes are slowly built up into amazing coral reefs coral.(珊瑚礁)Scientists sometimes think of coral reefs as underwater13. How do coral reefs help humans?cities. There are nearly a thousand coral species. Reefs are also A. By taking in pollution.home to millions of se...
Where Do Corals Live? Coral reefs need certain living conditions to stay healthy. 1 They need healthy algae(藻类)for food. Both coral and algae need water that is the right temperature. Coral reefs can be damaged easily. Fresh water that comes from rivers can kill coral. Dirt and debris...
Do coral reefs provide oxygen for humans? It might come as a surprise to many, but coral reefs also play a vital role in helping us to breathe. Do coral reefs produce oxygen?Yes, they do. Although coral reefs cover only 0.0025% of the ocean floor, they are responsible for producing hal...
Coral reefs cover only 1% of the ocean floor, but support an estimated 25% of all marine life in the ocean, earning them the moniker ‘rainforest of the sea.’ They also play a critical role for coa…
There are similar concerns for humans. These tiny bits of plastic, floating and flying all over the world, could act as a “Trojan horse,” introducing harmful drug-resistant bacteria and their genes, as some researchers put it. It’s a deeply unsettling thought. As research plows on, hopef...
Humans need to understand the sounds made by underwater animals before they die out.(1) What do scientists use"recorders" to do?B A. To protect coral reefs. B. To look for new kinds of lives. C. To collect sounds from se a life. D. To communicate with fish.(2) Why is the ...
Water pollution, too, is wreaking havoc on coral reefs. Agricultural pesticides and fertilizers, oil and gasoline, sewage discharge and sediment from eroded landscapes make it difficult for coral to thrive, and therefore damage the complex relationships that exist among the plants, coral and other ...
(1’30’’) But the problem with this theory has to do with simple mechanics: a crane needs a wide and sturdy base to stand on or it will fall over. Well, as you get to the top of the pyramid, there’s really no place for a crane to stand. The stone blocks are too narrow to...
A common type of shark found living in warm waters of coral reefs are reef sharks. Their scientific name is Carcharhinus perezii. Unfortunately, reef sharks are listed as near threatened. They are hunted for their meat, leather, fishmeal, and liver oil and are often overfished. Efforts are ...
Benefits to humans. Reefs provide ecosystem services like coastline protection and tourism. 3 Coral Variety of species. Coral reefs support high biodiversity in marine ecosystems. 2 Reef High species diversity. Reefs are biodiversity hotspots critical for marine life. 2 Coral Corals are marine inverteb...