A meteorite impact that caused plants to cease production of pollen, meaning that flowering plants had shut down, causing a chain reaction up the food chain that eventually led to the extinction of the T-Rex.
Because there was a mass extinction and most living organisms died
It is believed that a meteor strike led to the extinction of dinosaurs
That is unknown.
The primary hypothesis is that they were led to extinction by hunting by humans.
Trex
Regulated hunting has NEVER led to the extinction of any species.
Capitalize trex when you are using it as a proper noun, such as a specific thing or trademark.
trex
Yes
is trex decking safe for dogs?
Pullups
Tyrannosaurus rex lived during the end of the Maastrichtian stage of the Cretaceous period. That was about 68 to 65.5 million years ago. They died out as a result of the K-T extinction event.