They became extinct by volcanos
Secretaries and Managers
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 white man came in the 1900s and killed them all
no animals were extinct in 2009 it was one of the only years no species became extinct in recent history.
I Believe it became extinct in 1627
The sea mink became extinct in 1860. Sadly, it became extinct to due man hunting the animal for its skin.
the real amount of animals extinct since 1900s to peresnt (2012) is 3125 species
The Paradise Parrot became extinct in 1928. This bird was previously found in eastern Australia, but became extinct due to droughts.
The flying reptiles that became extinct at the end of the cretaceous where pterosaurs.
the dinosaurs became extinct because the was kill of there family
they became popular in 1900s
the passenger pigeon became extinct on 1914...
the Black Bear isn't extinct
no one really nows how or when they became extinct
the british took control of nigeria in the early 1900s. nigeria became its ows country in 1900s.
If it became extinct, then there would be more of the species of food it ate, and it won't be balanced.
The Woolly Mammoths became extinct of the Ice Meltdown a very long time ago
after dinsaurs became extinct
yes, but a law was past that said DO NOT KILL KOALAS
The javan tiger became extinct around 1980.
you know why which ones are extinct schoopid
the consumers will die if producers became extinct