The dinosaurs are one of the species that has 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.
If plants disappeared from earth, all life on earth depending on photosynthesis would disappear.
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.
about 18,492,002 species consists on earth
life would follow
asteriods would hit earth,spinning faster,ocean tides reduced etc