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首页英语词典speciesspecies考试真题

species

英 ['spiːʃiːz; -ʃɪz; 'spiːs-] 美['spiʃiz]

英英释义同义词辨析考试真题实用场景例句

n. [生物] 物种；种类
adj. 物种上的

考试真题

The scientist confirmed the snake was a previously unknown species after conducting a genetic analysis of tissue samples.

A new species of snake has been discovered on a remote island in the Bahamas.

The microwave and fast-food chains were the biggest catalysts ( ' , 催化剂 ), but the big food companies—which want to sell anything except the raw ingredients that go into cooking—made the home cook an endangered species.

Human beings are a species of mammals (哺乳动物).

Learn five species of bird, five butterflies, five trees, five bird songs

Commenting on the find, snake expert Robert Henderson, from the milwaukee Museum of Natural history, said: "Worldwide new species of frogs are being discovered and described quite regularly."

New species of snakes, however, are much rarer.

The International Union for Conservation of Nature had previously considered the area a "possible range" for the species, and local people had reported seeing lions in the area, but no one presented convincing evidence.

The microwave and fast-food chains were the biggest catalysts, but the big food companies—which want to sell anything except the raw ingredients that go into cooking—made the home cook an endangered species.

We will lose a vital part of what has made humanity as a whole so successful as a species.

The genetic change in the stork species.

The more evidence we collect that our species is capable of greatness, the more we will actually achieve it.

This nameless person pushed the human race over a historic threshold, for it was in that year that mankind became, for the first time in its history, a predominantly urban species.

This exploitation has reached such extremes that presently it appears that some hundreds of thousands of species will be extinguished before the end of the century.

As such, they are key species for understanding and predicting impacts of global change on Antarctic and sub-Antarctic marine ecosystems.

Co-author Céline Le Bohec, from the University of Strasbourg in France, warned: "If there're no actions aimed at haling or controlling global warming, and the pace of the current human- induced changes such as climate change and overfishing stays the same

Farrant and others in the resurrection business got together last year to discuss the best species of resurrection plant to use as a lab model.

Flamingos, however, are the only species that actually makes life in the midst of all that death.

It is home to one of the world's finest marine ecosystems,with more than 1,300 species of fish and 700 species of coral.

It is the means to intervene more wisely, and more effectively in the real world, to improve the well-being, not only of yourself—important as that may be—but of people around you and of other species with whom we share the planet.

It's not only the study of human population, but the populations of non-human species, including viruses like influenza, the bacteria in your gut, plants that you eat, animals that you enjoy or that provide you with meat.

It's the fastest-ever recovery of a mammal, joining peers like the Louisiana black bear as glowing successes in the history of the Endangered Species Act.

Just like medical researchers use rats to test ideas for human medical treatments, botanists use plants that are relatively easy to grow in a lab or greenhouse setting to test their ideas for related species.

Our species originated around 200,000 years ago and underwent tremendous diversification culturally, technologically, linguistically, artistically for 130,000 years.

Professor Stephen Hawking has warned that the creation of powerful artificial intelligence A will be "either the best, or the worst thing, ever to happen to humanity", and praised the creation of an academic institute dedicated to researching the future o

Some animal 32 species also display this phenomenon.

That's because, for the first time in human history, a large proportion of the- species is in continuous contact with technology that can record key features of an individual's behavior and environment.

The bird Clark's nutcracker, for example, hides up to 100, 000 seeds per year, up to 30 kilometers away from the seed source, and has a very close symbiotic(共生的) relationship with several pine species, most 32 notably the whitebark pine.

The Nature Conservancy has declared war on a multitude of invasive species here, from sheep to plants to the aggressive Argentine ant.

These include the centuries-old custom of "bul", where leaders would call a temporary stop to fishing for key species in order to give fish stocks an opportunity to replenish.

They can recover from months and years without water, depending on the species.

Three species of tilapia(罗非鱼) thrive there part-time.

Today, federal agencies are pulling the island fox from the Endangered Species list.

A strong link is found between two species when a predator sticks to one prey species.

Among mammals alone, the number of, nocturnal species is astonishing.

And if a predator can move on to another species that is easier to find when a prey species becomes rare, the switch allows the original prey to recover.

But before they can be assured, more efforts must be made, because the population of the crane in the wild is on the decline, and many other species appear headed toward extinction.

Compare the living habits of both species.

Dartmoor has 1, 000 or so ponies, who play a critical role in creating the diversity of species in this area.

Even this increase could sink some islands, worse drought (干旱) and drive a decline of up to a third in the number of species.

Explain why the number of certain species has declined.

However, the two zookeepers didn't want to see the extinction of this precious species.

If a predator can eat several species, it can survive the extinction of one of them.

If humans were truly at home under the light of the moon and stars,we would go in darkness happily,the midnight world as visible to us as it is to the vast number of nocturnal species on this planet.

In the 1960s, scientists proposed that predators at the top of a food web had a surprising amount of control over the size of populations of other species - including species they did not directly attack.

It has caused an imbalance of species.

Light is a powerful biological force, and on many species it acts as a magnet.

Little over 50% of all species would still exist.

Many animals give off pheromones — natural chemicals that can be detected by, and then can produce a response in, other animals of the same species.

Medical research often makes use of the forests' plant and animal life, and the destruction of such species could prevent researchers from finding cures for certain diseases.

So scientists are trying their best to save the species from going out of existence.

Species of commercial value dominate other species.

The living environment of other species will remain unchanged.

The living habits of species in food webs.

The populations of other species will experience unexpected changes.

The prey species they directly attack will die out.

The species they indirectly attack will turn into top predators.

The weak links may thus keep species from driving one another to extinction.

There are species that are disappearing every day.

This is how much temperatures would rise by 2100 even if nations live up to the initial Paris promises to reduce carbon emissions; this rise could still put coastal cities under water and drive over half of all species to extinction.

To find out if the special quality was more widespread in birds, the researchers sought the red-backed fairy wren, another species of Australian songbird.

When a predator always eats huge numbers of a single prey, the two species are strongly linked; when a predator lives on various species, they are weakly linked.

The interdependence of the forest and its constituent tree species, ground flora, and fauna is taken for granted.

Some species of trees have been"read out of the party"by economics-minded foresters because they grow too slowly, or have too low a sale value to pay as timber crops.

In Europe, where forestry is ecologically more advanced, the noncommercial tree species are recognized as members of the native forest community, to be preserved as such, within reason.

The fossil record shows that many species have endured for millions of years - so why shouldn't we? Take a broader look at our species' place in the universe, and it becomes clear that we have an excellent chance of surviving for tens, if not hundreds, of thousands of years.

As so often, the past holds the key to the future: we have now identified enough of the long-term patterns shaping the history of the planet, and our species, to make evidence-based forecasts about the situations in which our descendants will find themselves.

As so often, the past holds the key to the future: we have now identified enough of the long-term patterns shaping the history of the planet, and our species, to make evidence-based forecasts about the situations in which our descendant will find themselv

Guilt, in other words, can help hold a cooperative species together.

Instead of casting a wistful glance backward at all the species we've left in the dust I.Q.-wise, it implicitly asks what the real costs of our own intelligence might be.

Overall, the idea is to let "states remain in the driver's seat for managing the species," Ashe said.

Plenty of other species are able to learn, and one of the things they've apparently learned is when to stop.

The fossil record shows that many species have endured for millions of years-so why shouldn't we?