imbalance in the life cycle.
A threatened species Is when a type of animal or plant is in danger of going extint (dying out completely)
an animal becomes extint when it isnot given the right amount of food to eat and becomes endangered so that particular animal is said to be on the verge of extinct and finally dissappears.
No and they are not considered an endangered animal.
Dodo
Typically, the species that it ate overpopulate, and the ecosystem is disrupted.
Dinosaurs where extint for 1,000s of years
global warming
Extinct is the term for when an animal group diminishes to an unviable number
A mule. Cross between a donkey and a horse. Mules are sterile.
The species "native horse" did go extinct and that is what scientists are talking about. The "equus ferus'' species is still alive though.
Extinct is when an animal or plant doesn't exist any longer on earth.
(extint, tecnology sp?) It seems that in the near future traditional books becomes will definitely become obsolete but not extinct. While certain reading materials are better suited for the instant world of technology, there is still a purpose for the old fashioned printed text. Books may not be common in the future, but they maybe become "retro" or a new form of art . . . ?