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21 Cards in this Set

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  • Back
what are the 5 classes of hormones?
auxins, gibberellins, cytokinins, absiscic acid, ethylene
What are 4 responses to environmental stimuli by plants?
1. tropisms
2. nastic movements
3. photoperiodic responses
4. circadian rhythms
What are three types of tropisms?
phototropism
gravitropism
thigmotropism
What are 3 types of nastic movements?
seismonasty
nyctinasty
thermonasty
Factors that affect transpiration rate are:
relative humidity
CO2 concentration
wind speed
air temp
light intensity
Macronutrients:
CCPPNSMO
Micronutrients:
ICCMMZB
roles of nutrients?
sturctural compounds
metabolic compounds
affect enzyme activity
alter osmotic potential of cell
Alternative Means:
nitrogen fixation
carnivory
parasitic
rainfall
ant-fed plants
4 subdivisions of true fungi:
1. zygomycotina (bread molds)
2. ascomycotina (sac fungi)
3. basidiomycotina (club fungi)
4. deuteromycotina (imperfect fungi)
6 divisions of algae:
1. chorophyta
2. phaeophyta
3. rhodophyta
4. chrysophyta
5. pyrrophyta
6. euglenophyta
3 divisions of bryophytes:
1. mosses
2. liverworts
3. hornworts
4 divisions of seedless vascular plants:
1. whisk ferns
2. club mosses
3. horse tails
4. ferns
4 divisions of gymnosperms:
1. gingko
2. cycads
3. conifers
4. gnetophyta
major uses of plants:
food
drugs
fibers
shelter
human dependencies on plants:
oxygen to breathe
provide food, fibers, drugs, shelter
their potential to produce new drugs, food, crop improvement
Lamiaceae
mint family
Apiaceae
carrot and their kin
Liliaceae
onions and friends
edible underground parts

1. taproots
2. bulbs
3. corms
4. tuberous roots
5. tubers
beet, carrot, radish
garlic,leek, onion
taro
sweet potato, yam
potato, water chesnut
common fiber plants:

stem fibers
leaf fibers
seed fibers
flax, hemp, jute
abaca, sisal henequen
cooton kapok coconut