Across
- 2. gradual development, from a simple to more complex
- 5. breeding example for two traits
- 7. ions diffuse from high to low concentration
- 9. energy currency
- 11. muscle fiber and synapse
- 14. plant growth regulators
- 16. absorbance of different wavelengths of light by a pigment
- 17. no resulting effect on an altered chromosome
- 18. control of the water potential of body fluids
- 19. pathway along which impulse transmits from receptor to effector
- 20. electron flow in cyclic photophosphorylation
Down
- 1. degree of variation of life forms in an ecosystem
- 3. used in electron transport chain
- 4. process of removing small molecules out of blood into bowman's capsule
- 6. cranial and spinal nerves
- 8. rate of photosynthesis at different wavelengths of light
- 10. regions of DNA that don't code for anything
- 12. movement of ions across a membrane, down the electrochemical gradient
- 13. electrical difference inside neuron is much lower than outside
- 15. mechanisms to keep factors within narrow limits