have very small plants, which act as "cleaners",taking the useless things from the corals and giving oxygen in return. that is what the animal needs to live with. if the plants are killed, or are even kept from receiving light so that they can't live as usual, t 这如此在海的珊瑚。
Perhaps because of the fact that they live in comparatively nutrient-poor waters, corals have evolved to be highly efficient. Not only do they harness the sun's energy, they can take calcium to construct their skeletons directly from the water and their symbiotic algae can recycle animal wastes...
Some animals live better together. 5.What does this article talk about? Q. Two kinds of animals form a partnership. R. Most animals only have connection with animals. S. The connection between the living things. T. Corals have some connection with plants. 反馈 收藏 有用 解析 免费...
Sitting at the northern end of the nation, like the crown at the top the refuge system, the unspoiled landscapes of Arctic NWR harbors the highest biodiversity of any protected area north of the Arctic Circle, including iconic ESA-listed species like polar bears. (6 ESA-listed species live h...
(1).【答案】No,they can't.【解析】归纳大意题考查我们对文章整体的理解,这是阅读中较高层次的要求,我们要认真通读全文,掌握主题大意,认真归纳.Of course they are different from parrots.They cannot talk.故答案为:No,they can't.(2).【答案】near corals(珊瑚)in
acorals may have a vital effect in this parameter. Here[translate] a交期太紧,我们不能及时赶出货物,不能对货物的质量做出原有的保证。能否将交货期延迟20天 The delivery date too is tight, we cannot expel the cargo promptly, cannot make the original guarantee to the cargo quality.Whether retards ...
The Cambrian is the period where arthropods such as crustaceans and trilobites, cnidarians like jellyfish and corals, and brachiopods came into existence and started to thrive. During this time Utah was located along the equator and the Wheeler Shale is the bottom of a shallow, warm sea. ...
These corals are increasingly at risk of bleaching events where polyps expel the zooxanthellae in response to stress such as high water temperature or toxins. Other corals do not rely on zooxanthellae and can live globally in much deeper water, such as the cold-water genus Lophelia which can ...
The ocean is getting warmer. A rising temperature of just one to two degree Celsius can force coral to expel the algae (驱逐海藻) that live there. This leaves their white skeletons uncovered. It is a process called "bleaching". Sixteen percent of the world's corals die...
and its people mainly live in the town of San Miguel.Easy to reach by plane from the US,Cozumel is known for its massive underwater walls and"drift diving".In Cozumel,you'll find a vast number of fish,corals,sponges,nurse sharks,big stingrays,hawks bill turtles and lots of macro life ...