Why does genetic variation increase the chance that some individuals in a population will survive? Genetically diverse populations display high phenotypic variation. If changing environmental conditions favor a particular phenotype there is a good chance that genetically diverse population will have some individuals who have that advantageous phenotype.
As well, the candles produce large particles in their smoke and there have been concerns about how safe it is to regularly breathe in this smoke. Mosquito coils: Like citronella candles, mosquito coils produce a smoke that confuses mosquitoes. The coils contain the insecticide allethrin.
The function of ciliated epithelial cells is to move or sweep away secretions or foreign bodies (such as dust) from the epithelial surface in structures like the nasal cavities, bronchial tubes and trachea. These cells have tiny hair-like structures called cilia that move in a wave-like motion.