Bio 162 Crossword Puzzle

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Across
  1. 2. component of an animal's nervous system that evaluates sensory information & triggers appropriate responses
  2. 4. diffusion of water across a membrane
  3. 10. a type of photosynthesis which staggers the process temporally
  4. 13. pores in plants through which gas is exchanged
  5. 14. a generally flattened portion of a plant usually used for photosynthesis
  6. 15. _____ pressure causes the flow of water from stem to leaves in trees
  7. 16. animal that gains most of its heat from external sources
  8. 18. vascular tissue that moves sugars in plants
  9. 20. enzyme that catalyzes the first step of the calvin cycle & photorespiration
  10. 21. space on a stem between nodes
  11. 22. point on a plant stem from which leaves & buds grow
  12. 24. array of relatively stable chemical & physical conditions in an organism
Down
  1. 1. animals that regulate their internal temperature either through physiology or behavior
  2. 3. animal whose body temperature remains relatively constant
  3. 5. traits of an individual
  4. 6. _____ growth is responsible for the thickening of stems and branches
  5. 7. animal that gains most of its body heat from internal metabolism
  6. 8. cells involved in photosynthesis, storage, and transport
  7. 9. ____ feedback increases the difference between the set point and the current state of the system
  8. 11. _____ growth is responsible for vertical growth and branching in plants
  9. 12. vascular tissue that conducts water and ions
  10. 17. the part of a plant generally underground used to absorb water & nutrients
  11. 18. animal whose body temperature varies with environment
  12. 19. structural tissue made of cells with thick secondary cell walls, typically containing lignin
  13. 23. molecule used to provide energy in cells