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.
When look at the function of cilia in the immune system, you mainly refer to the cilia present in the respiratory system. Cilia, along with mucus, are part of the innate immun â¦ ity your body has. Mucus in respiratory tubes traps most microbes and dust that get past the nasal filter (nasal hair).  go to   http://www.bprc.nl/BPRCE/L4/Iwhatdo.html   for functions   the function of the immune system is to defend you by destroying invaders (viruses and infections). one defence is to attack the invaders directly with white blood cells which contain a great amount of lysosomes.