The main characteristic that helps organisms survive<span> is </span>adaptation<span>. In </span>order<span> for an </span>organism<span> to </span>survive<span>, it must struggle. ... According to Darwin's theory of evolution, </span>those<span> that possess characteristics that allow </span>them<span> to </span>survive<span> are </span>more<span> likely to.</span>
The main characteristic that helps organisms survive is adaptation. In order for an organism to survive, it must struggle. ... According to Darwin's theory of evolution, those that possess characteristics that allow them to survive are more likely to.<span> </span>
