They often hunt for food at dawn (黄昏), in the evening, or in the middle of the night. Scientists want to learn more about sharks for several reasons. For example, cancer (癌症) is common in many animals, including people. However, it is rare (罕见的) in sharks. Scientists want to...
Sharks usually eat small fat and squid. Sharks generally don’t eat people because we’re too big for them. While sharks eat dead bodies, they prefer live prey. Continue reading Marine scavengers like whale sharks only consumesmall animals or fishthat have died naturally. Sharks can be selecti...
At lengths of up to 60 ft. long the Megalodon would betwice as large as the killerwhale (one of the only cetaceans known to hunt and kill sharks and other marine mammals). ... This can often be seen when a group of killer whales hunt a fast moving dolphin. Will orcas eat humans?
A dolphin is considered one of the smartest of all creatures. It lives in warm, shallow waters. A dolphin is a marine mammal--it has live babies, it breathes air and female dolphins provide milk for their young. Dolphins can be 4 to 10 feet long and can weigh 500 pounds. They are s...
The Inuit today hunt whales in much the same way as they always have: with harpoons. The ancestors of the Inuit, called the Thule people, invented...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your ...
Sharks come in all sizes. A whale shark can reach over 70 meters in length, making it the largest shark of the family. Most sharks are about the same size as a human, or a little larger.Sharks hunt and eat fish, sea animals like dolphins and seals, and other sharks. Sharks have an...
Salmon sharks can livein freshwater. You can come across these creatures anywhere in the North Pacific. ... Their ability to survive in freshwater lies in their salt retention ability. Salmon sharks are large sharks that live in the north Pacific where they hunt their favorite prey – salmon....
由文章第四自然段第一句话(“Sharks hunt and eat fish ,sea animals like dolphins and seals,and other sharks”)鲨鱼捕猎吃鱼、像海豚和海豹之类的海洋动物和其他的鲨鱼。可知答案应该选择C选项。3.【答案】B 【解析】3.题干的意思是鲨鱼袭击人类是因为他们认为...。A选项人们是危险的;B选项人们是海洋动物;...
The great white’s anatomy almost contradicts itself. With a torpedo-shaped torso, it propels itself with its powerful tail, reaching speeds up to 15 miles per hour. These sharks move much like aircrafts, less like conventional swimming fish species. Yet this momentum is used at an advantage...
Sharks are cold-blooded, and that is the reason why sharks don’t have to eat as much as most people think; this means their circulation is slowed down, and they can burn energy at a slower rate. As you can see, sharks eat a variety of foods. While most of them are meat eaters,...