butterflies		Stretchable tissue that supports rapid growth
fruit		Type of tropism that can cause vine tendrils to wrap around an object
eudicots		Female portion of a flower
stamen		Nutrient essential for seed and flower production
photoperiodism		Lateral meristem that forms a cylinder inside older roots and stems (2 wds)
collenchyma		Response to changes in the length of a day
roothairs		Mutualistic relationship between roots and fungus
sepal		Plant system that carries water and nutrients throughout the plant (2 wds)
parenchyma		Tissue that makes up most of the soft primary growth
mycorrhizae		Conducts water and minerals throughout the plant
gametophyte		Photosynthetic petal responsible for protecting the flower's reproductive parts
epidermis		Moist still-functional xylem between heartwood and cascular cambrian
phloem		Plants with vascular bundles that are organized in rings and netlike leaf veins
thigmotropism		Single layer of cells that secrete the waxy cuticle
heartwood		Plant system responsible for photosynthesis, structural support and nutrient storage (2 wds)
groundtissue		Haploid form of a plant responsible for pollen production
ethylene		Region of undifferentiated cells
xylem		Thickening of stems and roots (2 wds)
vascularsystem		Fine extensions that increase surface area of the root system (2 wds)
vascularbundles		Photosynthetic tissue
vascularcambium		Cylindrical grouping of phloem and xylem (2 wds)
carpel		One of three nutrients that are never deficient because of abundance in the atmosphere
phosphorus		Seed containing mature ovary
primarygrowth		Dead tissue at maturity that supports the vascular tissue
stomata		Plant response to sunlight
rootnodules		Conducts nutrients throughout the plant
circadianrhythm		Male part of a flower
sclerenchyma		Portion of wood that consists of clogged xylem that strengthens and darkens the wood
gibberellins		Fiber that is the main component of sclerenchyma
meristem		Plants that have vascular bundles scattered vascular bundles and parallel leaf veins
sapwood		Plant hormone that stimulates seed germination and cell division in the stem
dormancy		Pores on the leaf surface that control water conservation and gas exchange
phototropism		Animals that are attracted by bright petal colors such as red and purple
secondarygrowth		Period of arrested growth that is triggered by environmental cues
loam		Plant Hormone that stimulates fruit development
carbon		Plant Hormone that stimulates ripening of fruit
mesophyll		Soil that is nutrient, oxygen and water rich
lignin		Swollen mass of bacteria infected root cells
auxins		Cycle of activity throughout a 24 hour period (2 wds)
monocots		Lengthening of young shoots and roots (2 wds)