All galaxies have a dense core of stars. Spiral galaxies, however, have arms that are often visible. There are two kinds of spiral galaxies: barred, where there appears to be a line running from arm to arm through the core, and <span>ordinary, where there is no bar. @Badbunnyhunny</span>
Answer:
It is rock. hope it helps
Explanation:
Since two females are unable to reproduce. Therefore, if only two females are still alive, the species will become extinct.