*Question*: Which are produced during photosynthesis?
*Answer*: oxygen and sugar

*Question*: Which situation is the best example of ecological succession?
*Answer*: One species replaces another species in an ecosystem.

*Question*: Mosquitoes have adapted to detect carbon dioxide using certain sensory nerves. Mosquitoes instinctually move toward greater concentrations of carbon dioxide. What is the importance of this adaptation?
*Answer*:
It helps mosquitoes find food.