标签:species 相关文章
VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Barbara Klein. This week, we will tell about a genetic map for an animal that disappeared long ago. We will tell about an unusual-looking insect from
Researchers have made some interesting discoveries near Antarctica. A team of scientists from the British Antarctic Survey and University of Hamburg have published the first comprehensive inventory of sea-and-land animals, near the tip of the Antarct
1. A) Riding a horse. B) Shooting a movie. C) Playing a game. D) Taking a photo. 2. A) She'11 type the letter for the man. B) She'll teach the man to operate the computer. C) She doesn't think his sister is a good typist. D) She thinks the man should
Now, of course, we were very interested to find out what are these so-called invasive species that are taking over in the zoo. 因此,我们对找出这些所谓的入侵物种很感兴趣,它们主宰着动物园里动物体内的微生物群。
My lab got our first indication of this when actually we were studying non-human primates. 我的实验室在研究非人类--灵长类动物时,第一次发现了这个征兆。 We wanted to find out what happens to a monkey's microbiome when they
Now, we did study some other species of primate. 我们也研究过其他种类的灵长类动物。 What species of primate do you think is even more divergent from the wild primates than the captive primates? 你觉得哪种灵长类动物比圈养的
According to one estimate, there could be as many as thirty million species of animals living in the sea, most still undiscovered. 据一项估计,海洋里可能生活着多达3000万种动物,大多数尚未被发现。 The first hint of how ab
Alligator gar are the second largest freshwater fish in North America. Later it disappeared from the state's waterways in the 1990s. 鳄雀鳝是北美第二大淡水鱼。后来,也就是20世纪90年代的时候,水域中就再没发现过这种鱼
70 布什政府加紧拯救濒临灭绝动物行动 ENVIRONMENT REPORT- September 21, 2001: Endangered Species AgreementBy Cynthia Kirk (Start at 59
Mosquitoes Genetically Modified to Prevent Malaria There may soon be a new weapon in the fight against malaria - a genetically-modified mosquito that kills the disease-causing parasite once it becomes infected. Malaria is a leading cause of death wor
Lesson eleven Silent spring There was once a town in the heart of America where all life seemed to live in harmony with its surroundings. The town lay in the midst of prosperous farms, where, in spring, white clouds of bloom drifted above the green f
3 Balance of Nature 自然平衡 All the different plants and animals in a natural world are in a state of balance. This balance is achieved by the plants and animals interacting with each other and with their non-living surroundings. An example of a
Jana: You must have traveled quite a lot around the country, right? Peter: Hmm, I think I have especially during my student days. I traveled around a lot because I like hiking and outdoor things. I really enjoy traveling around the country and South
Over seventy per cent of the Earths surface is ocean. Many of our oceans are being damaged by human activity. On June 8, we recognize the importance of the oceans with World Ocean Day. This important day in the environmental calendar began on 8 June
LIFE IN THE OCEAN The earth's oceans can reach depths of up to 11,000 metres. That is deep enough to cover Mt Qomolangma! The oceans are incredibly large and contain several different habitats. To make it easier to describe the various parts of the
Over seventy per cent of the Earths surface is ocean. Many of our oceans are being damaged by human activity. On June 8, we recognize the importance of the oceans with World Ocean Day. This important day in the environmental calendar began on 8 June
Beneath the tourist gondolas on Lake Xochimilco in Mexico lives a creature that resembles a monster. Known as the water monster or Mexican walking fish, the axolotl is type of salamander. The Ambystoma Mexicano, this species, is the axolotl of Xochi
Volcanoes forged the rocky coast of Cabo de Gata in southeast Spain. But the tides blanket it with reef-like structures built by snails. An algine marine biologist Diego Moreno says this sea of life can be deadly. Filth and contaminants accumulate o
Britain Bird numbers Out of the woods 英国 鸟类数量 离开树林 Good news on the bird populationbut not for everyone 鸟类数量的捷报但并非对所有人 British birdwatchers are used to bad news. House sparrow numbers have fallen from a
Looking at a rainforest from high in the sky, you might think all the trees look about the same. 从天空高处向下看热带雨林,你可能会觉得所有的树木都是一样的。 But they are not. 但它们是不同的。 Take, for example,