9. Humans, on the other hand, have put a lot of effort into lighting their way by creating portable artificial light sources, from torches to automobile headlights. __________________
10. Bioluminescent life forms have an entirely different approach—they make light themselves and carry it around in their bodies. ___________________
11.People who live near fireflies often think of them as brightly flashing adult insects, but firefly larvae glow as well. _____________________
12.This is partly because blue-green light has a short wavelength, so it has more energy with which to penetrate the water. ____________________
13. Lots of bioluminescent animals live here, including jellyfish, squid, shrimp, marine worms, and fish. ___________________
14. The glow produced by these animals can travel a long way, and it can blend in with the light from above.