Nobody knows how any dinosaurs became extinct but the most likely explanation is that a 10Mile big meteorite smacked into the Earth
The Animals became too large in size is one hypothesis behind its demise
It is a fact that whatever killed the dinosaurs did not kill Ichthyosaurs because their fossil records indicate they went through a mass extinction before the dinosaurs. However similar conditions could have led to their demise. One theory is that waters which the Ichthyosaur's inhabited cooled for unknown reasons and their food supply started to dwindle. Because their massive bodies required massive consumption the decrease of food sources made the animals prone to starvation. evidence of this is shown in the fossil record as well
There are many theories answering how dinosaurs became extinct A common one is that Earth was hit by an asteroid, but there are many more. But these are all just theories. No one knows for sure how they became extinct.
the beardog made entelodonts extinct. they lived somwere else and came to were entelodonts lived.
Nobody knows how any dinosaurs became extinct but the most likely explanation is that a 10Mile big meteorite smacked into the Earth
I think they became extinct at the end of the Mesozoic era
The dodo bird became extinct in the early 1600's. The Triceratops became extinct long before that.
the dinosaurs became extinct because the was kill of there family
no one really nows how or when they became extinct
The sea mink became extinct because is was hunted to extinction for it's fur.
after dinsaurs became extinct
Vegetarians that became extinct
They became extinct
They are not extincted
Yes. Sadly,they became extinct in the 17th century.
nothing they are extinct Before they became extinct they were carnivores that is they ate meat.
The Seismosaurus became extinct by what most scientists believe; by meteors.