Dinosaurs are a diverse group of animals of the clade Dinosauria. They first
appeared during the Triassic period, 231.4 million years ago, and ... Instead,
dinosaurs, like many extinct forms of rept...
Dinosaurs went extinct about 65 million years ago (at the end of the ... days (1
calendar year), the dinosaurs appeared January 1 and became extinct the third
week ... The dinosaurs' long period of dominance certainly makes them
Around the end of the Cretaceous Period. Dinosaurs became extinct at the end of
the Mesozoic Era 65 million years ago. Their extinction also marked the ...
There are a lot of theories about why this K-T (Cretaceous-Tertiary) extinction
occurred, but a widely accepted theory (proposed in 1980 by physicist Luis
Jan 7, 2015 ... The Mesozoic Era saw the rise of iconic dinosaurs and lizards and ... The
Mesozoic Era began roughly around the time of the end-Permian extinction, ... of
the era, but they became much more abundant during the Mesozoic. ... and were
already adapted to big temperature variations, did just fine, Olsen said.
If not, how many years did it take for the dinosaurs to die out? ... Dinosaurs
became extinct at the end of the Cretaceous period, approximately 65 million
www.ask.com/youtube?q=In Which Era Did Dinosaurs Become Extinct&v=Y8Ij9xboreA
Jun 25, 2013 ... Complete and instantaneous extinction is no longer the theory. ... See how a T-
Rex survives impact as some animals did, only to succumb to the aftermath of the
meteor's damage. ... to hate or nothin but if humans were alive during the
dinosaur period which ..... What If The Dinosaurs Never Became Extinct?
Dinosaurs lived throughout the Mesozoic Era, which began 245 million years ago
... Mammals flourished; Dinosaurs became extinct by the end of the period.
No great extinction or burst of diversity separated the Cretaceous from the ...
Early angiosperms did not develop shrub- or tree-like morphologies, but by ... Era
, following the Jurassic and ending with the extinction of the dinosaurs (except
birds). ... hickories, and magnolias becoming common in North America by the
end of ...
Dinosaur Extinction - How did dinosaurs become extinct? ... ago at the end of the
cretaceous period (see what cretaceous dinosaurs were around at this time).