They are extinct
extinct
Extinct is when an animal or plant doesn't exist any longer on earth.
The word you're probably thinking of is extinct
extinction
dinosaurs
a dinosaur was the first animal on earth
earth would no longer exist
No, copper is a metallic element and is not alive. It is a naturally occurring element found in the Earth's crust.
a bird that is no longer found on the face of the earth
The Blue Whale (Balaenoptera musculus).
mineral