Chapter 11 Vocabulary
Terms
undefined, object
copy deck
- Day-neutrail plant
- plant that does not require a specific photoperiod and can begin the flowering process over a range of night length
- Long-day plant
- plant that generally requires thort nights-less than ten to 12 hours darkness-to begin the flowering process
- Stomata
- small openings in the surface of most plant leaves that allow carbon dioxide, water, and oxygen to enter and exit
- Chlorophyll
- green, lighttrapping pigment in plant chloroplasts that is important in photosynthesis
- Short-day plant
- plant that generally requires long nights-12 or more hours of darkness-to begin the flowering process
- Tropism
- positive or negative plant response to an exteral stimulus such as touch, light , or gravity
- Photoperiodism
- a plant's response to the lengths of daylight and darkness each day
- Photosynthesis
- food-making process by which plants and many other producers use light energy to produce glucose and oxygen from carbon dioxide and water
- Auxin
- plant hormone that causes plant leaves and stems to exhibit positive phototropism
- Respiration
- series of chemical reactions used to realease anergy stored in food