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...
What is the genus and species of euglena? What antarctic animals eat phytoplankton? How are benthos adapted to life in the sea? What kind of animals live in an ocean habitat? What food do the fauna eat in a pelagic zone? What organisms are considered phytoplankton and zooplankton?
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...
Guppy fish are beautiful. The species sportdelicate and flowy tailfins, bright colors, and their almost minnow-like profile provides a great contrast. They share two features with Mosquitofish: their upturned mouth and a slightly pointy snout. However, the species’ most stand-out feature is th...
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. ...
What birds are endangered species? Birds: Zoologists and conservationists estimate that there are between 9,000 and 10,000 different species of birds in the world, including both wild and domestic birds. All birds have wings and feathers, despite some birds' lack of flight abilities. They are...
and sides are bluish-gray to brown and they have a white belly. What's most striking about these sharks is their white spots, which are arranged among pale, horizontal and vertical stripes. This pigmentation pattern is used to identifyindividual whale sharksand learn more about the species. ...
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 ...
请教“What are the common name of three fish species”是什么意思？
Jellyfish are typically considered loners, especially larger species. But smaller jellyfish may stick together to decrease their risk of predation. While you may find jellyfish in dense swarms, they are not your average social animal that lives in groups. These creatures don’t socialize and only...