Question

Evolution in nature takes place by the____________

• A. accumulation of all variations in a species
• B. changes in the environment
• C. accumulation of beneficial variations in species
• D. both B and C

Answer 1

The correct option is C

accumulation of beneficial variations in species

Evolution takes place by the accumulation of variations which gives survival advantage to the members of a species. It never accumulates all the variations. Variations lead to changes in the characteristics of an organism which eventually add up to form new species and this leads to evolution.