A. To find a suitable place to lay eggs B. To avoid being eaten by larger fish downstream C. To look for cooler water D. To follow the flow of food 相关知识点: 试题来源: 解析 A。解析:选项A,许多鱼类在特定季节逆流而上是为了找到合适的地方产卵,这是鱼类繁殖习性的重要体现。选项B,逆流而...
What are coral reefs? A. Home to only a few species of fish. B. Ugly and not diverse. C. One of the most beautiful and diverse parts of the marine ecosystem. D. Not important for the E. cosystem. 相关知识点: 试题来源: 解析 C。解析:“Coral reefs are one of the most beautiful...
TheGodfatherquote is one famous example of the wordfishes. Another is the zodiac sign of Pisces, which is sometimes referred to asfishes. You can also say that someone fishes as a hobby, but that’s just a form of the verb “to fish.” Finally, there’s the saying “if fishes were ...
This difference highlights the evolutionary adaptations that distinguish sharks from the vast array of fish species. 12 In terms of habitat, both sharks and fish inhabit a wide range of marine environments, from shallow reefs to the deep ocean. However, sharks, particularly large species, are ...
What type of animal is a fish? Answer and Explanation:1 According to the Florida Museum, there are about 27,300 known species of fish at this time, and there may be as many as 31,500 species. Because of the... Learn more about this topic: ...
C. Waterfowl, amphibians, reptiles, and fish. D. Monkeys and apes. 相关知识点: 试题来源: 解析 C。解析:文章提到“Some of the important species found in wetlands include waterfowl, amphibians, reptiles, and many types of fish.”,所以答案是 C。A、B、D 选项中的动物都不是湿地常见的重要物种...
The two fish species(物种)are some of the oldest living animals in the Yangtze River.And the Yangtze sturgeon even has another name:the aquatic(水中panda.It has lived for more than 150 million years. Since 1983,people have set free about 7 million Chinese sturgeons in the Yangtze River.(1...
Are whale sharks the biggest fish? What is the largest whale? Are whale sharks an endangered species? What kingdom is the great white shark in? What is the smallest shark? What is the most aggressive shark? Are whale sharks mammals?
Using echolocation, dolphins can detect an object the size of a golfball about the length of a football pitch away – much further than they can see. By moving its head to aim the sound beam at different parts of a fish, a dolphin can also differentiate between species. ...
However, ensure you don’t house this species with large-sized fish because they can easily become prey for others. Mosquitofish are top-level swimmers and are also pretty fast. They are also known to swim down to the bottom of the tank around sheltered spots to get some shut-eye and ...