Bioluminescence

What is bioluminescence?

• A chemical reaction that produces light in living organisms

• A type of photosynthesis

• A form of electrical energy

• A process of heat generation

Which two chemicals are necessary for the bioluminescent reaction?

• Luciferin and luciferase or photoprotein

• Chlorophyll and oxygen

• Hemoglobin and carbon dioxide

• Glucose and insulin

Why do some marine animals glow blue-green?

• Because it is the easiest color to see in the deep ocean

• Because it helps them attract mates

• Because it scares away predators

• Because it is a rare color

How do hatchetfish use bioluminescence for defense?

• They shine light downward to hide their shadow from predators

• They emit a bright flash to blind predators

• They change colors rapidly to confuse predators

• They release a glowing substance to distract predators

Describe how bioluminescence can be used for offensive purposes by animals.

Explain the role of bioluminescence in the mating behavior of fireflies.

Discuss potential human applications of bioluminescence mentioned in the passage.