Answer:
E. The survival of increasingly numbers of resistant insects
Explanation:
Both the offspring (hybrid offspring) produced by donkeys and horses are infertile, sterile, cannot have its own offspring and both have 31 pairs of chromosomes each. Because of this, both horses and donkeys are considered as a separate species
Ayo i think the answer is B, 10 mg/l. bc you would label the respiration rate as R, we come up with a neat little formula: NPP = GPP - R. hope this helps, have an amazing day :)