And there'd also be an extinction event like fossils would suddenly disappear.

The present era is classified as part of a mass extinction event, the Holocene extinction event, the fastest ever to have occurred.

Wait for Yahweh, and keep his way, and he will exalt you to inherit the land. When the wicked are cut off, you shall see it.

Wait on the LORD, and keep his way, and he shall exalt thee to inherit the land when the wicked are cut off, thou shalt see it.

Human activity caused the two extinctions and the decline of the other three species.

The Cambrian Ordovician extinction event occurred approximately 488 million years ago (m.y.a.).

So what it tells us actually is that there's actually a risk of extinction of this species because its population is so small.

For example, the Republic of Korea expects the rise in sea water temperature to lend to the extinction of cold water fish in the Yellow Sea.

At the same time as this was occurring, world wide extinctions among the large mammals began.

The Late Devonian extinction was one of five major extinction events in the history of the Earth's biota.

And that's what happens in an asteroid catastrophe, because that's what this was, of course. This is the famous K T.

Now, we've had several extinction events, and as we march forward 65 million years ago most of you know about it we had an asteroid impact.

A more precise date of 542 0.3 mya for the extinction event at the beginning of the Cambrian has recently been submitted.

The results show that the humans were obviously one of the major factors in the extinction of many species in Australia.

From the promotion of organic food to declarations of the polar bear s imminent demise, the media pelt us with a constant barrage of one sided warnings.

On March 2, 2011, the United States Fish and Wildlife Service declared the Eastern cougar ( Puma concolor couguar ) officially extinct.

In that complex record of fossils, there were times when lots of stuff seemed to be dying out very quickly, and the father mother geologists called these mass extinctions.

One of the two competitors will always overcome the other, leading to either the extinction of this competitor or an evolutionary or behavioral shift toward a different ecological niche.

They appeared shortly after the dinosaurs disappeared, 65 million years ago, at a time when whales still had legs, and they come from a rebellious little puffer fish faction oblige me a little Kipling esque storytelling here.

Shklovsky proposed that cosmic rays from supernova explosions within 300 light years of the sun could have been responsible for some of the mass extinctions of life on earth.

In 1990, working on the K T extinction for 10 years, I moved to South Africa to begin work twice a year in the great Karoo desert.

In 1992, when the world s governments first promised to address man made global warming, they also vowed to head off the human induced extinction of other species. The Convention on Biological Diversity, agreed at the Rio Earth Summit, established that biological diversity is a common concern of humanity.

There is no evidence of mass extinction of these organisms, and there is support for high productivity of these species in southern high latitudes as a result of cooling temperatures in the early Paleocene.

Now, if we think about what just reducing the probability of human extinction by just one percentage point not very much so that's equivalent to 60 million lives saved, if we just count the currently living people, the current generation.

They range from 450 million years ago to the last, the K T, number four, but the biggest of all was the P, or the Permian extinction, sometimes called the mother of all mass extinctions.

We also need a regular scientific process to present the world with the evidence on species abundance and extinction, just as we now have such a process for climate change.

The Permian Period (along with the Paleozoic Era) ended with the largest mass extinction in Earth's history, in which nearly 90 of marine species and 70 of terrestrial species died out.

These higher temperatures could cause the extinction of numerous plants and animals, melting of polar ice caps, and a greater frequency of extreme weather events, such as severe storms, floods, and droughts.

The current paucity of auks in the Atlantic (6 species), compared to the Pacific (19 20 species) is considered to be because of extinctions to the Atlantic auks the fossil record shows there were many more species in the Atlantic during the Pliocene.

These concerns take into account the situation in Lake Victoria in Africa, where Nile perch (available in stores as Lake Victoria perch ) were introduced and rapidly caused the extinction of numerous indigenous species.

Madagascar, home to five endemic primate families, has experienced the greatest extinction of the recent past since human settlement 1,500 years ago, at least eight classes and fifteen of the larger species have become extinct due to hunting and habitat destruction.

It was an Imperial State in its own right, with a vote in the Reichstag , for much of the 17th century until the extinction of its ruling line in 1672 when it was inherited by Ernest I the Pious, the Duke of Saxe Gotha, who had married the heiress.

So, what technology brought, through the very simple tools like these stone tools here even something as small as this the early bands of humans were actually able to eliminate to extinction about 250 megafauna animals in North America when they first arrived 10,000 years ago.

It has often been suggested that it had anatomical features that enabled it to adapt better than most animals to the atmospheric conditions that were created by the Permian Triassic extinction event and which persisted through the Early Triassic low concentrations of oxygen and high concentrations of carbon dioxide.