Sentence examples for they become extinct from inspiring English sources
Will they become extinct?
Scientists have hypothesized that many species will gradually decline in forest fragments until they become extinct.
"If they become extinct, all that will be left is a line in a song and nothing more," Eaton added.
- but he will explain that it is important to eat them so more are bred before they become extinct.
In Leuven, Belgium, scientists are scouring the world for banana samples and preserving their shoots in liquid nitrogen before they become extinct.
No ichthyopterygian fossil record exists after the Cenomanian (about 90 million years ago), so it is possible that they became extinct coinciding with the Cenomanian Turonian extinction event (Bardet 1992).
They became extinct as temperatures declined further, although the timing of those post-Eocene extinctions is uncertain.
By the end of that period they became extinct.
Graptolites (small colonial planktonic animals) extend into the Carboniferous, but they became extinct during the Mississippian.
Simón says they began breeding lynxes in captivity in case they became extinct in the wild.
