Across
- 7. Organisms that can switch between being warm-blooded and cold-blooded.
- 10. A physiological state of suspended development.
- 12. A regulatory mechanism where plants reduce their rate of photosynthesis.
- 13. _____ selection occurs when a single phenotype is favored.
- 14. A chance factor in evolution that introduces genetic diversity through gene or chromosome modifications.
- 16. Organisms that can maintain a constant body temperature regardless of the environment.
- 17. Aquatic organisms with higher concentration of salt than the external environment.
- 19. Organisms that gain energy by oxidation of inorganic matter which converts carbon dioxide into organic substances.
- 21. _____ selection occurs when average values of a trait are favored over extreme values.
Down
- 1. A decrease in photosynthetic activity due to exposure to intense sunlight.
- 2. The condition of plants to survive and grow in environments with relatively low levels of sunlight.
- 3. The process of lowering body temperature below freezing.
- 4. Aquatic organisms with lower concentration of salt than the external environment.
- 5. A prolonged state of reduced body temperature and decreased metabolic activity.
- 6. Organisms that have a body temperature that changes depending on the environment.
- 8. Aquatic organisms with the same osmotic pressure as the external environment.
- 9. Organisms that obtain energy from sunlight, inducing carbon dioxide to turn into organic matter.
- 11. Reversible changes to phenotypic traits.
- 13. _____ selection occurs when extreme values of a trait are favored over average values.
- 15. A brief period of reduced body temperature and decreased metabolic activity.
- 18. The condition of plants to thrive in environments with high levels of sunlight.
- 20. A period of dormancy by seeking refuge in a cooler or sheltered environment.