Answer:
Sexual selection
Explanation:
It is sexual selection because it is a type of natural selection in which an organism or organisms acquire traits which help the individual to be choose as a mating partner or to have preference for a mating partner or for competition among one sex organisms in which a traits succeed.
Sexual selection can be intrasexual or or intersexual. Intrasexual is is competition between one sex of the same organism and intersexual is between sexes of different organism.
I and III.
Chargaff's law and Rosalind Franklin's discoveries
plants give off oxygen and take in carbon dioxide and animals take in oxygen and give off carbon dioxide.
The largest natural population of organisms that can interbreed to produce fertile offspring are species.
