The answer to this is DNA.
Answer: diplontic plant
Explanation:
The mosses belongs to the phylum of non-vascular plants. They produce spores instead of seeds. They do not produce flowers, true roots and wood. They do not posses a vascular system. They exhibit a diplontic life cycle. The diplontic life cycle involves the formation of diploid gametes. In mosses the diplontic life cycle the mosses produces diploid cells and in only one stage they produce haploid cells.
Water-borne diseases, including cholera, typhoid, and dysentery, are caused by drinking water containing infectious viruses or bacteria, which often come from human or animal waste. Water-washed diseases, such as skin and eye infections, are caused by lack of clean water for washing.
The answer is a population.