0
Statistical analysis of the fossil record indicates somewhere around 35% of all species disappeared at the end of the cretaceous. (There is considerable margin for error in that figure--we don't have a good estimate for the number of species that exist today, even).
http://en.wikipedia.org/wiki/Cretaceous%E2%80%93Tertiary_extinction_event
What else can I help you with?
Organisms that once lived on earth but all of their kind have died out a dead species?
A species that has entirely died out is considered extinct. An example of extinct species are the dodo, saber-tooth tigers, woolly mammoths, Canary Island giant rats, Cape lion, and the Red Rail.
Where do ammonites live?
Alas, they live no more: they're all extinct. Died in the same catastrophe that killed the dinosaurs.
How many species have died since human evolution?
It is difficult to estimate the exact number of species that have become extinct since human evolution began, but it is believed to be in the millions. The rate of extinction has increased significantly in modern times due to human activities such as habitat destruction, pollution, and climate change.
What would happen if all the lions died?
If all the lions died, it would disrupt the delicate balance of their ecosystem, resulting in an increase in populations of prey species such as antelope and buffalo. This could lead to overgrazing of vegetation and potential habitat destruction, affecting other plant and animal species in the long run.
How are extinct alike to endanger?
They both start with E.they both are really are not alike. extinct means that they are no more. endangered means there are still left but rare.
95 percent of species died out?
End of the Paleozoic era
How many marine species died out during the Paleozoic Era?
butt hole
What marks the end of the Paleozoic's era?
The Permian Extinction. Basically when many marine invertebrates died off. I am fcking 14 and I know this.
What percent of Americans died from cigarettes?
56 percent
What percent of people in the world died because they didn't know how to swim?
approximately 10 percent have died
What happened to many land and sea animals in the near end of paleozoic era?
Apparently the world heated up and many genera died off.
What percent of America's population died in the civil war?
2 percent
How much percent of the sheep and cattle have died in the drought have died 1982?
There is a larger percent of sheep and cattle that died in the drought of 1982. This was due to lack of water.
What percent of species that existed on earth have gone extinct?
It is estimated that 99% of all animals that have ever lived are now extinct.
What is a species that has no more individuals living on earth?
A species that has died out is called an extinct species. There are many of them. Dinosaurs for instance.
What percent of presidents have died in office?
Eight presidents have died in office. Obama is our 44th president. 8/44 = 18 percent.
What is a species that has no members still alive?
It means that that species is extinct or (that spafic animal species has completely died
