Do fireflies really light up?
Yes, they blink bright green color
sure... and they make excellent candles for the june bugs
Yes. They are phosperescent. OR in simpler terms; their butts are on FIRE!! ;)
Yes...where else would the light come from? :p I think it's a chemical in them that does it
Yes they do I've seen them(:
yes they dooo!! :))
Yes. They light up their butts!! Ahaha
yes. Their butts light up.
Yes they don't
Yes, it is a natural occurrence called bioluminescence. In the case of fireflies it is caused by a chemical reaction between luciferin and oxygen. http://science.howstuffworks.com/environmental/life/zoology/insects-arachnids/question554.htm
yes the do
Yes. The light is given off when two chemicals inside the firefly combine and react, kind of like glow sticks. Fireflies use this as a means of attracting mates. If you want specifics, check this out: http://en.wikipedia.org/wiki/Firefly#Light_and_chemical_production
Yes they have cemicals when mixed with a part of their body it creates light