Bio 162 Crossword Puzzle

2. component of an animal's nervous system that evaluates sensory information & triggers appropriate responses
4. diffusion of water across a membrane
10. a type of photosynthesis which staggers the process temporally
13. pores in plants through which gas is exchanged
14. a generally flattened portion of a plant usually used for photosynthesis
15. _____ pressure causes the flow of water from stem to leaves in trees
16. animal that gains most of its heat from external sources
18. vascular tissue that moves sugars in plants
20. enzyme that catalyzes the first step of the calvin cycle & photorespiration
21. space on a stem between nodes
22. point on a plant stem from which leaves & buds grow
24. array of relatively stable chemical & physical conditions in an organism

1. animals that regulate their internal temperature either through physiology or behavior
3. animal whose body temperature remains relatively constant
5. traits of an individual
6. _____ growth is responsible for the thickening of stems and branches
7. animal that gains most of its body heat from internal metabolism
8. cells involved in photosynthesis, storage, and transport
9. ____ feedback increases the difference between the set point and the current state of the system
11. _____ growth is responsible for vertical growth and branching in plants
12. vascular tissue that conducts water and ions
17. the part of a plant generally underground used to absorb water & nutrients
18. animal whose body temperature varies with environment
19. structural tissue made of cells with thick secondary cell walls, typically containing lignin
23. molecule used to provide energy in cells