Biology for IGCSE & O level - Variation And Selection (Section 4 - No. 39)
What is the role of the 'struggle for existence' in natural selection?
To eliminate all variation within a species.
To create new mutations.
To cause individuals to adapt during their lifetime.
To drive competition and select for advantageous traits.
توضیح
The struggle for existence drives competition, which selects for traits that improve survival.