Across
- 2. measure of how acidic or basic a solution is; the scale ranges from below 0 to above 14
- 8. small, basic sub-units
- 10. basic unit of life
- 11. production of offspring by an organism
- 12. organism’s regulation of its internal environment to maintain conditions suitable for survival
- 13. water-fearing; having the tendency to repel water
- 16. inherited characteristic of a species that develops over time in response to an environmental factor, enabling a species to survive
- 20. larger more complex structures made of monomers
- 21. anything that possesses all the characteristics of life
- 22. attraction of molecules of one kind for molecules of a different kind
- 23. any substance that forms hydrogen ions (H+) in water and has a pH below 7.
- 24. substance dissolved in a solvent
- 25. any substance that forms hydroxide ions (OH-) in water and has a pH above 7.
Down
- 1. ability of like molecules to stick together
- 3. water-loving; having an affinity for water
- 4. changes in traits of a populations of a species over time
- 5. process that results in mass being added to an organism; may include formation of new cells or new structures
- 6. a homogenous mixture formed when a substance is dissolved in another substance
- 7. changes an organism undergoes in its lifetime before reaching its adult form
- 9. an organism reaction to a stimulus
- 14. large organic molecules (carbon-containing) that make up all living things
- 15. the study of life that seeks to provide an understanding of the natural world
- 17. property of the surface of a liquid that allows it to resist an external force, due to the cohesive nature of its molecules.
- 18. ability to cause change; organisms use energy to perform biological functions.
- 19. substance in which another substance is dissolved