A population....... I think
Answer: Epidemiology
Explanation:
Epidemiology is a branch of medicine, the study of human health and disease at the population level. Epidemiology deals with the incidence, distribution, prevalence and possible control of diseases and other factors relating to health. By tracking the cause and distribution of the disease among many individuals of the population, epidemiologist can identify potential stategies for the preventing and controlling of diseases and disorders.
The plant would be a plant that will need water for example a cactus doesnt need waterbso it survives in the desert but the plant has to need a lot of water
The answer is going to be the letter D, nitrogen. I hope this helps!!
Answer:Daughter cells are genetically identical to the parent cells
Explanation: