The answer would be C as it can be directly tested experimentally and observed that bacteria adapted to become drug resistant and the natural selection of drug resistant bacteria to survive and continue proliferating, thus being direct evidence of evolution
Because it has to be that way
Answer:
D, C and A are the correct options.
B is less likely rather is a personal reference.
I think the answer would be D since the definition of heredity is <span>the passing on characteristics genetically from one generation to another.</span>
The main function of the respiratory system is to allow the exchange of gases between the atmosphere and the lungs.
Hence,the only structure that carries out this function is the alveoli as other structures such as the nose,trachea and pharynx transport gases to the alveoli just so that it can can out its function.
