If all members of a species cannot produce offspring, that species will be gone for how long?
Jellyfish not at all threatened forever dormant Winter temporarily a while
A B C D E F G H
Extinct species are species that are gone forever.
If all members of a  species cannot produce offspring, then that species will be gone forever. 
If all members of a species cannot produce offspring, that species will be gone for how long? (A) Jellyfish (B) not at all (C) threatened (D) forever (E) dormant (F) Winter (G) temporarily (H) a while