bio diversity notes 2/22

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bio diversity notes 2/22
2012-02-27 13:34:19
bio notes 22

bio notes 2/22
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  1. flowers that smell like rotting meat to attract flies
  2. what is the definition of a fruit?
    a mature ovary
  3. what does the ovary of a flower develop into after fertilization?
  4. what does the ovule become?
    a seed
  5. what are the 2 major groups of angiosperms?
    monocots and eudicots
  6. compare monocots and eudicots in embryo
    monocot- 1 cotyledon, eudicot- 2 cotyledon
  7. what is a cotyledon?
    seed leaf
  8. compare leaf venation in mono and eu
    monocot- veins usually parallel, eudicot- veins usually netlike
  9. compare mono and eu in flowers
    monocot- flower organs in multiples of 3, eudicot- floral organs in multiples of 4 or 5
  10. compare mono and eu in roots
    monocot- root system usually fibrous (no main root), eudicot- tap root (main root) usually present
  11. what are some examples of monocots
    palms, grasses, corns, lillies, orchids
  12. examples of eudicots?
    fruit trees, beans, sunflowers, mimosa, evening primrose, sugar beet, soybean, bean, banana
  13. what can plants be used for?
    primary producers, food, clothes, building materials, medicine
  14. how are plants primary producers?
    synthesize organic materials from inorganic ones taking up CO2 and releasing O2
  15. what is atropine used for and common name?
    belladonna- dilating eyes
  16. ephedrine
    ephedra- easing nasal congestion
  17. menthol
    japanese mint-relieves coughing
  18. morphine
    opium poppy- relieves pain
  19. quinine
    conchona bark-treatment of malaria
  20. taxol
    pacific yew-treats ovarian and breast cancers
  21. what are some examples of "killer plants"
    venus fly trap, trumpet pitcher, bladderwort, sundew