灭绝英语怎么说
THE dinosaurs went out with a bang.
An alarming number of Mediterranean monk seals, an endangered species, have recently died.
So in rich soils, slower species die out while the fast-growers win big.
For example, Peter Sheldon' s studies of trilobites, a now extinct marine animal with a segmented body, offer a detailed glimpse into three million years of evolution in one marine environment.
Why that happened is a matter of abiding interest to anthropologically inclined descendants of those interloping moderns.
Indeed, most analysts believe that some kind of environmental degradation underlies the demise of many extinct salmon populations.
This is so inhumane, to speak so frankly about the extinction of humanity!
The list of endangered species includes nearly 600 fishes.
Many of these species have vanished or are facing extinction.
The society was set up to preserve endangered species from extinction.
This species has nearly died out because its habitat is being destroyed.
Boundary clay layers are used by scientists to determine the rate at which an extinct species declined.
In the 1980s, electrical lines and lead poisoning nearly drove them to dying out.
Why did scientists want more information about the dinosaur extinctions?
Why did the near extinction and migrations of wild animals occur?
Hundreds of tree species face extinction.
Humans have an obligation to try to save endangered animals, because it is our fault that they are going extinct.
The only clear explanation is that humans caused the extinction of the various mammal species through excessive hunting.
It is now possible, too, to compare Homo sapiens with his closest relative-not the living chimpanzee, with whom he parted company perhaps 5m years ago, but the extinct Neanderthal, a true human.
Presumably, those environmental disasters could have been responsible for the mass extinction, including the death of the dinosaurs.
A million years ago, we were essentially an endangered species.
Then said she, I pray thee, let the king remember the LORD thy God, that thou wouldest not suffer the revengers of blood to destroy any more, lest they destroy my son.
The Burgess Shale formation also has fossils of many extinct representatives of modern animal groups.
It is better for the sake of evolution to allow creatures to go extinct.
A rare tree frog, a mudfish and lizards are among the thousands of species threatened by extinction.