Please answer quickly.
The trait for flower color is highly variable among certain species of rose plants, leading to the formation of flowers of different colors. How did the flower color variation in rose plants come about?

Select one:

a through mutation

b. through pollination

c. through natural selection

d. through asexual reproduction

dogs is better and probably lizards.

clinically, some people often have repeated allergies, eczema and respiratory infections or other parts of the infection, in this case, in addition to some routine tests such as tests for white blood cells, immunoglobulin series, lymphocyte subsets, etc., the five immune immunoglobulin tests are also necessary.