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Solved: A message written according to a secret code is

College Algebra | 9th Edition | ISBN: 9781133963028 | Authors: Ron Larson ISBN: 9781133963028 204

Solution for problem 7.5.4 Chapter 7

College Algebra | 9th Edition

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College Algebra | 9th Edition | ISBN: 9781133963028 | Authors: Ron Larson

College Algebra | 9th Edition

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Problem 7.5.4

A message written according to a secret code is called a ________.

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BY124 Dr.Cusic Exam1 1/14/16 1. Inorderforplantstobecomelanddwellers… a. Obtainwaterthroughtheirroots b. Preventtranspiration(waterloss)byawaxycuticle c. Gasexchangethroughstomata i. CarbonDioxidein ii. Oxygen(andsomewater)out d. Overcomegravity i. Cellwallsforstructureandsupport ii. Lignininsecondarygrowth 1. Morerigid iii. Vascularsystemformorerigidityandsupport 1. Mainlyduetoxylem e. Pollination i. Nomoreflagellatedsperm 1. Donotneedwaterforspermtransport ii. Pollinatedbybees,birds,wind,insects,bats,animals(deer) f. Zygotesneedwater i. Keepinarchegonium g. Transportationofnutrients i. Xylemtransportswater ii. Phloemtransportsnutrientsandsugars h. Protectionagainstpredation i. Thorns,toxins,nettles 1. Ex:peppermint i. UVradiationthreat i. Hascertainpigmenttoabsorbordeflectlight 2. Plantevolution a. Ancestralgreenalgae b. Landplants i. Nonvascular 1. Bryophytes ii. Vascular 1. Seeds a. Gymnosperms b. Angiosperms 2. Flowers a. Angiosperms 3. Evolutionarytrends a. Reductionofhaploiddominantstageandriseofdiploiddominantstage 4. NonvascularPlants a. “Bryophytes” b. Dominantstage:Haploid(n)gametophyte c. Nonvascular d. Notrueroots/stems/leaves 5. VascularPlants a. “tracheophytes” i. namedaftertracheocytesinxylem b. dominantstage:diploid(2n)sporophyte c. vascular d. trueroots/stem/leaves 6. Bryophytes a. Hepatophyta-liverworts b. Bryophyta-moss c. Anthocerophyta-hornworts i. Bothgametophyteandsporophyteatsamestage d. Doembobition i. Soakingupofwater(osmosis) ii. Diffusion(nutrients) e. wort=“herb” 7. LifeCycleofaMoss a. Bothmaleandfemalegametophyte i. Haploid(n),dominantstage b. Rhizoid=root-likestructurethatabsorbswater c. Flagellatedsperm(n)andegg(n)madebymitosisbecauseitsalreadyhaploid(n) d. Fertilizationinarchegoniumproducesadiploid(2n)zygote.Thezygote undergoesmitosistoproduceadiploid(2n)sporophytewithsporangium.Cells undergomeiosistoproducehaploid(n)spores.Thesporesgothroughmitosisto produceahaploid(n)gametophyte.Thegametophyteusesmitosistoproduce haploid(n)gametes. e. Sporesareheldinacapsule. i. Theydon’tlikemoisture ii. Theyarereleasedwhenconditionsaredry 1. Theyarereleasedslowlyandnotallatonce 8. AsexualBryophyteReproduction a. Liverwortsdroptheirgemmaewhichthendividebymitosistoformmore liverworts 9. Peat a. Waterabsorbingmoss i. Makesapeatbog(verydense) ii. Takesmillionsofyearstoletgrow iii. Harvestedforfuel,diapers,gardens,andscotchwhiskey iv. Preserved/mummifiedpeoplewithoutanydecay 1. TollundMan 10. Vascularplants a. “tracheophytes” b. diploid(2n)dominant c. moreadaptedtoland d. ligninforsupport e. Tracheids=maincellsinxylem 11. SeedlessVascularplants a. Mosthavetrueroots/stems/leaves b. Sporangiabranchtocreatemoresporangia c. Microphyllandmegaphyllleaves d. Typesofsporangia i. Strobili-clusterofsporangia ii. Sori-onfern 12. HomosporousPlants a. Sporangiumonsporophyll i. Sporebecomesabisexualgametophytethatproducesspermandegg 13. HeterosporousPlants a. Allseedplants b. Megasporangiumonmegasporphyll i. Megasporegrowsintofemalegametophytewhichproducesegg c. Microsporangiumonmicrosporophyll i. Microsporegrowsintomalegametophytewhichproducessperm 14. Plantevolution a. EvolvedwhentheDevonianperiodwasendingandtheCarboniferousperiod wasbeginning. b. Seedlessplants c. nocompetitionsotheygrewmuchtallerthantheonestoday i. Todayafernistheonlyseedlessplantthatcangrowverytall 15. Rhizome=likeahorizontalstemonsomeplants 16. Clubmossisnotreallymoss a. AKAQuillwort 17. SeedlessVascularPlantphyla a. Lycophyta b. Monilophyta(nolongercalledPterophyta)–whiskfern,fern,horsetail c. Equisetum–horsetail,scouringrushes i. Name“scouringrushes”becausesilicainthemwasusedtoscrubpot d. Fernhavesoriandarehomosporous 18. FernLifecycle a. Diploid(2n)sporophytedominant b. Homosporous c. Growonrhizome d. Youngleaf=“fiddlehead”;developedleaf=“frawn” e. Gametophyteisfreelivingandcandophotosynthesis f. Spermandeggdevelopatdifferenttimestopreventself-fertilization g. Onlythesporophytehasavascularsystem h. Formedcoalbedsovertime 19. SeedPlants a. Carboniferousperiodwasverydry. i. Seedplantsadaptedandbecamethedominanttypeofplant. ii. Pollengrainsreplacedtheswimmingflagellatedsperm iii. Pollentubedevelopedsospermcantraveltoegg iv. Gametophyteissmallerandheldinsidesporophyte 1. Notfreeliving 2. Providesnourishmenttosporophyte v. Seedencloses,protects,anddispersesembryo b. Gymnosperm i. “nakedseed” ii. megaspore(n)madebymegasporangium(2n)istheegg iii. pollen(n)travelsdownpollentubetofertilizeeggtobecomeanembryo (2n) 1. gametophyteprovidesfoodandseedcoat iv. GymnospermPhyla 1. Cycadophyta–cycads 2. Ginkophyta–ginko, a. “goldenrain”becauseleavesturnbrightyellowandfall withinabouttwodays b. onespeciesleftthatwassavedbyBuddhistmonks c. veryresistanttopollution

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Chapter 7, Problem 7.5.4 is Solved
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Textbook: College Algebra
Edition: 9
Author: Ron Larson
ISBN: 9781133963028

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Solved: A message written according to a secret code is