单词:fish species
单词:fish species 相关文章
[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:05.82]2006 Text3 [00:08.14]When prehistoric man arrived in new parts of the world, [00:12.17]something strange happened to the large animals: [00:15.51]they suddenly became extinct. [00:18.03]
Electric Fish 发电鱼 One way that Harold Zakon and his team find fish to study is to put electrical detectors into the bottom of murky streams in Venezuela. This works because certain fish emit pulses of electricity. Discover electric fish -- on tod
The way we sample much of the world's oceans, to see what's living down there, is pretty basic: Ask fishermen. Or just stick a net down there, and examine what we catch. Neither method is ideal. Because you basically catch the fish and kill them. Phi
This is Scientific American's 60-Second Science, I'm Karen Hopkin. This'll just take a minute. What do a carnivorous sponge, a lobular yam and a flat-faced psychedelic frogfish all have in common? They're among the Top 10 Species first described in 2
This is Scientific Ameican's 60-Second Science. I'm Karen Hopkin. This will just take a minute? Forget the meek. If the Earth keeps getting warmer, a recent study shows that its the small that are gonna come out on topat least in the worlds oceans. W
What do a carnivorous sponge, a lobular yam and a flat-faced psychedelic frogfish all have in common? Theyre among the Top 10 Species first described in 2009. Thats according the International Institute for Species Exploration at Arizona State Univer
ENVIRONMENT REPORT -August 9, 2002: US Proposes Ban on Snakehead Fish By Cynthia Kirk This is the VOA Special English ENVIRONMENT REPORT. American Interior Secretary Gale Norton has proposed a ban on
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. They say that beauty is in the eye of the beholder. It turns out that maybe speciation is, too. Because a study in the October 2nd issue of Nature sugges
By Victoria Cavaliere Washington 13 June 2007 A deadly, fast-spreading virus is affecting freshwater fish in several lakes in New York state. In the past, the fish virus had a catastrophic impact on fish populations in Europe, Japan, and the U.S. Pac
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Barbara Klein. VOICE TWO: And I'm Steve Ember. On our program this week, we will tell how fishing for sharks may affect other sea animals. We will also tell about a newly identified
By Zulima Palacio Washington, D.C. 20 September 2006 watch New Species report A team of scientists just back from combing the waters off Indonesia has announced the discovery of more than 50 new species of undersea life, including a walking shark an
Fish-Sucking Parasite Named After Bob Marley The new species is called Gnathia marleyi, named in honor of the late reggae star, Bob Marley. Lead researcher Paul Sikkel, a marine biologist at Arkansas State University with a passion for Marleys music,
Snakehead Fish Fair Game for Anglers On any given sunny weekend, the snakehead is the regions most wanted fish. An 18-hour competition put more than 600 kilograms of these toothy monsters on ice. Fishermen like Mike McDermott and Teddy McKenzie say t
Studies: How Whales, Fish Might Adapt To Warming Ocean Two new science studies provide a glimpse of how some important Pacific Ocean sea creatures could adapt to a changing climate. One study describes how gray whales successfully adapted to previous
A recently discovered species of frogfish(襞鱼科) has been dubbed(授予称号) the psychedelic(引起幻觉的) fish because of the swirl of beige(米黄色的)and peach(桃红色的) zebra stripes that run from its blue eyes to its tail. Histiop
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 Xochim
AGRICULTURE REPORT - Study Warns of Risk to Seafood Supplies in World's OceansBy Jerilyn Watson Broadcast: Tuesday, November 14, 2006 This is the VOA Special English Agriculture Report. A study has wa
Lionfish are taking over coral reefs in the Caribbean and Atlantic. Here, Lad Akins catches one. In the waters of the Caribbean Sea, a voracious invasive species called the lionfish is threatening to overtake the reefs. Conservation groups are fighti
By Phil Mercer Sydney 20 February 2008 Scientists say they have taken an array of new marine species from the seabed off eastern Antarctica. They are warning, though, that climate change could soon make extinct many of the strange creatures they have
BEIJING, Sept. 14 (Xinhuanet) -- Scientists had discovered the fossils of a new species of ancient carnivorous fish, National Geographic reported Monday. The newly-found ancient fish, Laccognathus embryi, is a 1.8-meter-long predator, which was waiti