Which factor does NOT influence mosquito breeding sites?

The correct choice indicates a factor that does not have a direct influence on mosquito breeding sites. Mosquitoes are known to breed primarily in stagnant water sources, such as ponds, puddles, and containers where water collects. The availability of such water is crucial for female mosquitoes to lay their eggs, making it a significant factor in determining breeding sites.

Temperature variations can also affect mosquito breeding, as warmer temperatures often accelerate their life cycles, increasing reproduction rates. Additionally, sunlight can influence the temperature of breeding sites and the evaporation of water, thereby indirectly affecting mosquito populations.

In contrast, while flowering plants may attract adult mosquitoes for feeding, they do not serve as breeding sites themselves. Mosquitoes require specific aquatic conditions for their larvae to develop, and flowering plants do not provide this environment. Thus, the presence of flowering plants is unrelated to where mosquitoes breed, making it the factor that does not influence mosquito breeding sites.