Freshwater mussels(贻贝)are critical to their largerecosystems and the world around them. They create habitat forother species, like freshwater coral reefs, and help maintainthe structure and rigidity of the waterways which they callhome. E 13 Nearly three-quarters of North America'sroughly 300 na...
Why do freshwater invertebrates have fewer species as a whole than marine invertebrates? How are coral reefs and kelp beds distributed geographically across the globe? Most reef-building corals have communal algae actually living inside the flesh of the corals. Why is this more efficien...
根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。Freshwater mussels(贻贝) are critical to their larger ecosystems and the world around them. They create habitat for other species, like freshwater coral reefs, and help maintain the structure and rigidity of the wat...
In freshwater ponds and lakes however, pollutants can become concentrated, whereas in the open ocean – even in bays and estuaries – chemicals become quickly diluted. Thus effect of man-made chemicals on fish sex been little studied. “But just because very few people have looked at this in ...
Are coral reefs freshwater or saltwater? Are coral reefs in the sunlight zone? Are coral reefs producers? Are coral reefs alive? Do fish live in coral reefs? Are coral reefs biotic or abiotic? Do coral reefs clean the ocean? Is algae a keystone species for coral reefs? What animals eat ...
2-billion-year-old red algae fossils from the Canadian Arctic.The researchers said cellular structures preserved in the fossils and their overall shape match red algae, a primitive kind of plant that today grows in marine settingv such as coral reefs but also can be found in freshwater environ...
Coral reefs are one of the busiest underwater ecosystems. Many fish come to the coral reefs to feed and many people go diving at coral reefs for the views. And scientists are continually studying them. Answer and Explanation:1 Coral reefs are made from the skeletons of corals. The skeletons...
Coral Reefs: Coral reefs are found all over the world, located generally in the subtropics and tropics. Several major reefs are found around the world, particularly the famous Great Barrier Reef. They can usually be found in shallow waters and support thousands of species of marine life. ...
Dirty freshwater running into the seas can kill the reef. This is happening to many reefs around the world. What's more, due to global warming, many reefs have become sick, turning white in a process.But if we take steps to protect the coral reefs, it is likely that these tiny polyps...
Freshwater ponds Underground Sandy deserts Coral reefs What glowing beetle has evolved to communicate with its bright backside?(Required) Luna moth Firefly Joro spider Praying mantis Cicada What bright green insect doesn’t have a mouth or digestive system?(Required) Luna moth Katydid...