You are presented with the question "If all members of a species cannot produce offspring then that species will likely become what?" and the following answer choices: 
- thriving
 - populous
 - abundant
 - haploid
 - threatened
 - Echinoderm.
 - uncontrolled
 - gone forever

Now knowing that if all members of a species cannot produce offspring then that species will likely become extinct and if an animal become extinct, it's gone forever, choose the best answer.


 

        gone forever 