Now the saving of a large and complex structure, when rendered superfluous, would be a decided advantage to each successive individual of the species; for in the struggle for life to which every animal is exposed, each would have a better chance of supporting itself, by less nutriment being wasted.
izan ere, animalia orok aurre egin beharreko biziaren aldeko borrokan eusteko ahalbide gehiago izanen du elikadura gutxiago alferrik galduz gero.