If there are only a few remaining members of an insect species living in one area, which would most likely cause this species to become extinct?

the introduction of new predators to the insects’ environment
a genetic mutation in an individual that causes it to be very small
a disease that causes a mother insect to die shortly after laying eggs
the introduction of a new food source to the insects’ environment

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.