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