Longman Dictionary of Contemporary English homepage

natural selection

noun
     
Related topics: Biology, Society
natural selection [uncountable] technical
HBS the process by which only plants and animals that are naturally suitable for life in their environment will continue to live and breed, while all others will die out [↪ evolution]

➔ survival of the fittest

at survival (2)

Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary