Evolution occurs in response to a change in the environment, and biological evolution refers to changes in successive generations of a species. Given these facts, change happens to what of a species in response to changes in the environment among the following options:
- only females
 - colors of the spectrum
 - It helps them survive
 - only males
 - successive generations
 - By wind and rain
 - stagnation
 - characteristics


 

     successive generations    