Yes. There have been several episodes of mass extinction. The worst was at the end of the Paleozoic era. The most famous came at the end of the Mesozoic, when the dinosaurs disappeared. Nature is cruel.
Of course, some people say that species have not really become extinct, but merely evolved into different forms.
yes. if you think about it all the dinosaurs are now extinct.
Many thousands of organisms and species have become extinct.
The answer is Extinct!
The answer is Extinct!
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.
Biogeography
There are many organisms that once lived on Earth but have since gone extinct. Some examples include every species of dinosaur, dodo birds, and golden toads.
they got extinct
false
false (They became extinct about 65 million years ago.)
just about every one. 90% of all creatures that have lived on earth are extinct.
they have lived for up to millions of years
They have or are fossilizing.
extinct