He tukanga matua tēnei i roto i te kukuwhatanga o nga momo katoa, kīrehe mai, tipu mai. I roto i te whiringa māori ka ngaro haere ngā rauropi kāore e tino pakari ana te noho ki te taiao (i runga pea i te rerekē haere o taua taiao). Ka ora ngā rauropi pakari me ō rātou uri.
A major process in the evolution of all species of animals and plants. In natural selection, living things that are not suited to their environment slowly die out (perhaps because of changes in the environment). The stronger organisms survive and produce further offspring.