The reverberations(严重影响) of unhealthy ecosystems in the ocean can be extensive.”In areas traditionally called “dead zones" , like those in Chesapeake Bay and the Gulf of Mexico,oxygen plummets(大幅下跌) to so low levels that many animals die. As fish avoid these zones, their habit...
②直接加-s的有:roof房顶,belief信念,chief首领,gulf海湾,proof证据 ③两种都可以的有:handkerchief手绢---handkerchiefs / handkerchieves 5)以o结尾的词 ①以“辅音字母+o”结尾的词,有生命的加-es,如:potato---potatoes,tomato---tomatoes, hero英雄---heroes;无生命的加-s,如:photo---photos, kilo---...
What is finfish aquaculture? Finfish: Finfish are numerous species of true fish. They are characterized by the presence of fins and related characteristics that differentiate them from shellfish, cuttlefish, and other species that contain the word fish in their name but are not actually fish specie...
Last summer,the 11-year-old was swimming in the Gulf of Mexico. A bull shark suddenly attacked him. Fortunately,Aaron knew what to do. Just the day before,he had learned that one should hit an attacking shark in the gills (鳃) or eyes. As the bull shark bit down on the boy’s ...
Fish in the Gulf of Thailand:The fish in the Gulf of Thailand are found in many different regions throughout the gulf with many species found in the benthopelagic region while about half the fish species live in and around reefs. Like many regions that are rich in fish, many of the ...
What Is a Molly Fish? Mollies have long bodies, pointed heads, and, depending on the variety, large dorsal (topside) fins. They come in many colors, which makes them attractive to home hobbyists and professional breeders alike. Thesesmall fishare found along the Gulf coast in the United ...
由倒数第三段的Overfishing in the 1980s caused a sharp drop in the number of fish in the area,and the health of the reef was in danger可知,二十世纪八十年代过度捕捞导致加利福尼亚湾的鱼群数量锐减、礁石的健康状态岌岌可危,由此可知,该海域在那个时期状态非常糟糕。 D We all have one shirt in ...
Which is larger: the Caspian Sea or Lake Superior? What is the largest mid-ocean ridge? How big is the Caspian Sea? What is the second largest coral reef in the world? What is the largest gulf in the world? What is the largest estuary in the world?
It is about the 6,000-year-old clay tablets with cuneiform writing from long-gone cultures on the Persian Gulf are probably the oldest evidence. To this day there have always been many important people in history who dealt with medicinal plants. However, an expert gathering of medicinal plants...
preying on the eggs of the little skate in the gulf of maine. what is the apex predator in the ocean? orcas have no natural predators and although their diet depends on their ecotype or geographic location, they are all carnivorous predators. orcas are unlike many sharks, whose tenuous (...