The dinosaurs are one of the species that has disappeared from the earth.
The word is "extinct." It refers to a species that no longer exists and has completely disappeared from the Earth.
An extinct species is a species of organisms which no longer exists on the planet or has ceased to exist. ORAn extinct species is a species that has completely disappeared from the planet i.e. a single living specimen of which, neither male nor female, exists on earth.
When no living member of a species exists, the species is considered extinct. Extinction occurs when a species has completely disappeared from the Earth, with no individuals remaining alive anywhere in the world.
They disappeared in cretatucous Period . The last dinosaur in earth is barchiosaurus
If species disappeared from an ecosystem the balance in the ecosystem will be altered.
A major extinction event.
Invasive species and human hunters, as well as its natural predators.
All the other animals would die on the food web because there food disappeared! its a chain reaction
Darwin wondered why so many species had disappeared and how they were related to living species.
Uncontrolled hunting, deforestation, and altering of their natural environment by humans.
life would follow
about 18,492,002 species consists on earth