It is not impossible to study plants and animals that are still alive. Scientists frequently observe plants and animals and even run tests and experiments on them in order to learn more about them.
If there are no living animals or plants alive in a particular species, it is listed as extinct.
of course alot of animals where alive infact there still alive
No, there are no more prehistoric animals alive on earth. All animals alive today are decendents of prehistoric animals.
Tigers are still alive because people help them.
No, but there are animals that have dinosaurs as ancestors.
the animals that are still alive and their species hasn't yet died out
over animals eat them so bigger animals are still alive
I think there is a million plants & animals still undiscovered Do not take my word for it
They ate plants, fruits and other dinosaurs.
It is dormant
Some fish and reptiles were alive when the dinosaurs were and are still alive today. But there are no T-rex's or anything like that anymore.
Well, literally everything is alive no matter what. It is my scientific fact that this is true. I have been studying how many animals are alive today. So, pretty much everything is alive. Over 1,000,000,000,000,000 animals are alive today. Nobody knows the exact alive because every day there are new species growing everywhere.