Each year, the discovery of new shark species underlines how little we know about ocean biodiversity. In a recent report conducted by Sibert and Rubin, they reported an unexpected finding; a large - scale extinction of sharks in the pelagic ocean, the largest ecosystem on Earth, about 19 mill...
The chart below shows the number of four different species of fish between 1982 and 2007. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words. Task 1 曲线图 - - 范文 答题 People in many countries spend more ...
How Birds Acquire Their SongsLook at the four squares [] that indicate where the following ...
The most devastating effects, and also the hardest to predict, are the effects on the world'sliving ecosystems. Many ecosystems are very delicate, and the slightest change can kill off several species as well as any other species that depend on them. Most ecosystems are interconnected, so the...
We live in a ‘throwaway culture‘, where many of our things aren’t built to last. Each year, every house in the UK produces about1 tonne of waste– that’s about the same weight as agreat white shark! What’s worse, is that60%of what we throw away, is actuallyrecyclable! That’...
we have bunches of brochures here. i would recommend getting out on a boat trip. the kids will love it, and there are so many islands nearby to explore. there s also a great night market further into town that h...
22) To that end, they have been studying how other species deal with low gravity, specifically focusing on mice. The results are both interesting and humorous. The scientists first sent some mice and specially designed cage to the Inter...
Questions 12 to 15 are based on the conversation you have just heard. A) It is being debated by hundreds of retirees. C) It partly records his own experience.B) It is attracting many people's attention. D) It argues for postponing retirement. A) One should foresee a financial crisis. ...
These are skills students need to succeed in college. The research has found that students who were most at risk had the most improvements in executive functioning after interacting with therapy dogs. These results remained when researchers followed up six weeks later. Many universities provide academ...
Older than dinosaurs and trees, sharks have endured a lot throughout their 450 million years on Earth. They’ve even survived five mass extinctions, including the asteroid that wiped out 75% of life on the planet. But many species of these aquatic apex p