Across
- 3. Water-soluble pigments that can appear red, purple, or blue depending on the pH.
- 6. Chemical substances formed from two or more elements combined together.
- 7. The reproductive part of a plant, often colored to attract pollinators.
- 8. complexes Structures formed by molecules connected through chemical bonds.
- 11. Chemical elements that conduct electricity and heat, often involved in chemical reactions.
- 13. Cells in the eyes that respond to light and allow vision.
- 16. A bile pigment that gives a blue or green color to the eggs of some bird species.
- 18. The process through which species adapt over time through genetic changes.
- 19. The change in direction of light when it hits a surface.
Down
- 1. The process through which a substance takes in light energy.
- 2. Chemical substances that can increase the pH of a solution, making it less acidic.
- 4. The phenomenon where an object changes color depending on the angle of viewing.
- 5. The variety of life in an ecosystem, including the variety of species.
- 9. The range of wavelengths of visible light, which includes all colors.
- 10. The distance between two consecutive peaks of a light wave.
- 12. A scale used to measure the acidity or alkalinity of a substance.
- 13. A substance that gives color to an organism by absorbing certain wavelengths of light.
- 14. The sum of physical and biological conditions in which an organism lives.
- 15. A group of similar organisms that can breed among themselves.
- 17. The phenomenon in which light waves combine, creating distinctive color effects.
- 20. The visual quality perceived by the eyes, determined by the wavelength of light.