Disease, competition, and predation.
Other scientists hypothesize that organic compounds could have come to Earth w<span>hen the stars collided and the debris fell to Earth. B
HOPE THIS HELPS! ^_^</span>
The answer for your question is G2!
The ability to reproduce
The ability to respond to stimuli .
The 2nd one may be a bit confusing but people who do not respond to stimuli eg they have CIPA or are blind or deaf can still survive
because malnutrition causes various health issues and diseases, lowers your immune system, and causes death.