What is biological evolution?
a) the change in the gene pool of a population over time
b) the ability of an individual organism to acquire traits
c)the adjustments individual organisms make to their environment

The answer is; A

Evolution occurs when particular genes are favored, while others are phased out, in a population over time due to natural selection. This occurs when individuals with the favored genes are more likely to reproduce and pass their genes to succeeding generations than those individuals with unfavourable traits.

2%? i tried finding the exact sorry if it's not 100% correct ; -;