Though taxonomists have been cataloguing plants and animals for more than 250 years, they still have no exact answer to the question, “How many species are on Earth?”“It’s a very simple question, but we have no simple answer,” Fisher said. One of the reasons we can’t get an...
The charts below give information on the ages of people when they got married in one country in 1998 and 2008. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words. Task 1 柱状图 - - 范文 答题 In many countri...
Father of Hybrid Rice Yuan Longping spent all his life researching rice. Besides, farmers work so hard on the farm so that we can have enough food to eat. Also, nowadays many people in the world are hungry.
Many wild animals are in danger because the environment that they are living in has changed a lot. With the development of cities, the air is polluted and the water is not clean any more. Wild animal’s living places are polluted badly. At the same time, many people kill them for their...
how to protect animalthere are many kinds of animals in the world,but not only the humans.we live in the same world,and we should be friends.as everybody knows, the humans are the rulers of the world today,so we should protect our friends--the animals!but how to protect them? as fi...
However, the related experiments have confirmed that the outbreak of human diseases and some edible wild animal hunting habits do not, when people satisfy their appetites when the bottle gluttonous venison, virus was again opened. It is not known how many animal species are endangered or even ...
Earth's biological diversity is being fast decline of many species facing extinction. Threat to the survival of wild animals and plants is a major factor in habitat loss, business development, and wild animals and plants and their products in international trade. Resources are limited, it is nec...
“How long can turtle live without food?” is a common query of many pet owners. A turtle could live without eating for up to 160 days, but this can depend on many factors. Also, surviving in captivity without food is much more challenging than in the wild. This article is written to...
Between 150 and 200 species (物种) disappear every day. To make us aware of the serious problem and help save the animals in danger before it’s too late, our English teacher shared two posters with us. We are losing home! Like many other animals, we live in the trees. However, ...
And many of these stories of rapid evolution are sad, but some also offer us hope for our own future on this planet. In nature's struggle to deal with all the nonsense that we're throwing at her in all these different ways, some of those solutions may lead us to novel insights that...