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Bio 104S - Exam 4 Chapter 29: Plant Diversity 1: How plants colonized land questons and solutions $10.49
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Bio 104S - Exam 4 Chapter 29: Plant Diversity 1: How plants colonized land questons and solutionsBio 104S - Exam 4 Chapter 29: Plant Diversity 1: How plants colonized land questons and solutionsBio 104S - Exam 4 Chapter 29: Plant Diversity 1: How plants colonized land questons and solutionsBio 104S...

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  • bio 104s exam 4 chapter 29 plant diversity 1 h

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  • Bio 104S Chapter 29: Plant Diversity 1: H
  • Bio 104S Chapter 29: Plant Diversity 1: H

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1. Many key traits of plants also appear in some algae. mp mp mp mp mp mp mp mp mp




However,plants share the following traits only with charophytes: m
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1. Rings of cellulose-synthesizing mp mp mp




2. Structure of sperm mp mp




3. Formation of a :proteins, flagellated, phragmoplast mp mp mp m
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2. note that plants are not descended from modern , but share a common
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3. In charophytes, a layer of a durable polymer calledmp prevents exposed m
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zygotes from drying out (it is the strongest/toughest chemical substance on
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earth): sporopollenin
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4. Themove toland (plants) provided benefits:unfiltered sunlight,more plen- tiful
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m ,and nutrient-rich soil.Land also presented challenges:a scarcity of
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and lack of structural support against
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5. Plants diversified as evolved that enabled them to thrive on land despite m
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challenges: adaptations
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6. The placement of the boundary dividing plants from algae is the subject of
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ongoing debate.
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Untilthisdebateisresolved,wedefineplantsas m
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7. Fivekeytraitsappearin nearlyall plantsbutareabsentinthe charophytes:
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1. Alternation of generations mp mp




2. Multicellular,dependent embryos m
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5. Apical :sporangia, gametangia, meristems mp m p m p m p m p m
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8. the gametophyte generation is haploid and produces haploid gametes by
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9. fusion of a sperm and egg gives rise to the diploid ,whichproduces mp mp mp mp mp mp mp mp mp mp mp m
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haploid spores by meiosis: sporophyte
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10. spores develop into:gametophytes mp mp m
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11. fusion of a sperm and egg gives rise to the diploid sporophyte,which mp mp mp mp mp mp mp mp mp mp mp m
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produces haploid
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12. alternation of generations: mp mp




13. The relationship between a gametophyte and a sporophyte in a liverwort is mp mp mp mp mp mp mp mp mp mp mp




like the relationship between:
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, a.a brother and a sister.
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b. a grandparent and a grandchild.
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c. an uncle and a nephew. mp mp mp mp




d. a parent and a child. mp mp mp mp




e. two cousins.:d mp m
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14. Multicellular,Dependent Embryos: m
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The diploid embryo is retained within the tissue of the female
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aretransferredfromparenttoembryothroughplacentaltransfercells.Plants are
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called
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metophyte, embryophytes
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15. The sporophyte produces spores in organs called mp :sporangia mp mp mp mp mp mp m
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16. Diploid cells called undergo meiosis to generate haploid spores:- mp mp mp mp mp mp mp mp m
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sporocytes
17. Spore walls contain ,whichmakes them resistanttoharsh environ-
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ments: sporopollenin
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18. Gametes are produced within organs called :gametangia mp mp mp mp mp mp m
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19. female gametangia, called ,produceasinglenonmotileegg:archego- nia mp mp mp m
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20. male gametangia, called ,produce and release sperm:antheridia
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21. each egg is fertilized within an :archegonium mp mp mp mp mp mp m
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22. Plants sustain continual growth in length by repeated cell division within the
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: apical meristems mp mp




23. The appearance of plant spores in the fossil record indicates that plants
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colonized land at least
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24. Most plants have ,cellsjoinedintotubesforthetransportofwater and
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nutrients: vascular tissue
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25. Nonvascular plants are commonly called :bryophytes mp mp mp mp mp m
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26. Seedless vascular plants can be divided into clades::Lycophytes, Monilo- m
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27. embryo and nutrients surrounded by a protective coat is called a:seed mp mp mp mp mp mp mp mp mp mp m
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28. Seed plants form a clade and can be divided into further clades::gym-
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nosperms, angiosperms
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29. produce seeds that are not enclosed in chambers:gymnosperms mp mp mp mp mp mp mp m
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30. produceseedsthatdevelopinsidechambersthatoriginatewithinflowers- m
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31. Lycophytes,monilophytes are (seed,vascular):seedless, vascular m
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32. ginkgo,cycads,gnetophyes,conifers (seed,vascular):seed, vascular m
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33. flowering plants:angiosperms mp m
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