no.
Well there was the Stellar sea cow. That was much like a manatee or a dugong. Mammoths are extinct. sabor toothed tigers are. and lots of other animals are going extinct!
It is classified as extinct when there are NO animals of that species left, not one.
about 10-40 years
Plants.
they can last forever
The dodo bird became extinct in the early 1600's. The Triceratops became extinct long before that.
Dugongs can live for upto 70 years.
Not much longer:( they are being hunt down for there skin and the amazing creature will soon be extinct unless we stop.
The mother gives the dugong attentive care until the age of 2. I researched this on the internet and i hope this can be to some help for you.
No. Sharks appeared on earth long before the first dinosaurs did.
Flies will likely continue to evolve for another 1.1 billion years before extinction. The current species will have gone extinct (replaced with a new species of Fly) long before then.
Dinosaurs became extinct millions of years ago. Dinosaurs died off long before humans came into existence.