Across
- 2. Microscopic light emitters.
- 4. Energy emitted by living organisms.
- 6. A faint, wavering, flickering light.
- 7. Compound that produces light in organisms.
- 8. A specialized cell that produces light.
Down
- 1. Microscopic marine organisms that glow in the dark.
- 3. Deep-sea fish with a glowing lure.
- 5. Nighttime insect with a glowing abdomen.
- 9. Element required for many bioluminescence reactions.