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Ch. 26 Colonization of Land by Plant an Fungi Flashcards

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3093256917haustoriaspecialized hyphae that allows extraction/exchange of nutrients with plant hosts0
3093273829mycorrhizaemutually beneficial relationships between fungi and plant hosts1
3093279948ectomycorrihizal fungiform sheaths of hyphae over a root and grow into extracellular spaces of the root cortex2
3093286898arbuscular mycorrhizal fungiextend hyphae through the cell walls of root cells into tubes3
3093291373fungal reproductionhyphae (n) release sexual pheromones hyphae fuse together (plasmogamy)4
3093315850What is Karyogamy?is the final step in the process of fusing together two haploid eukaryotic cells5
3093326366Spore germinate to form ____mycelium (the string like mold stuff)6
3093819438Name the major fungal groupsascomycetes, basidiomycetes, chytrids,zygomycetes, glomeromycetes7
3093855199ascomycetes-marine -sac fungi-produce spores in sacs called asci-65,0008
3093858646What do ascomycetes produce spores in?sacs called asci9
3093869349basidiomycetes30,000-decomposers & ectomycorrhizial fungi-produce spores on basidia10
3093879791What do basidiomycetes produces spores on?basidia11
3093882923What is an example of basidiomycetes?mushrooms12
3093885971chytrids1000-freshwater/terrestrial-flagellated spores13
3093889821What kind of spores do chytrids produce?flagellated spores14
3093891141zygomycetes1000-molds, parasites, commensal symbionts15
3093896236What what kind of spores do zygomycetes produce?zygosporangium16
3093901248glomeromycetes160- form arbuscular (shrub-like) mychorrhizae with roots -80% of plants have a mutualistic relationship with glomeromycetes17
3093919711What is a lichen?a lichen is a symbiotic relationship between a photosynthetic microorganism and a fungus18
3093925774Explain how a lichen allows plants to growpioneers on new rock and soil surfaces and breaks down the surface, allowing formation of soil, thus making it possible for plants to grow19
3093967868Nonvascular plants are called _____bryophytes20
3093968856What are the three clades of bryophytes1. liverworts 2. mosses 3. hornworts21
3093970386What anchors bryophytes?rhizoids, filamentous outgrowths that allow for anchoring22
3093979399Bryophytes are water dependent, what does this mean?flagellated sperm must swim through water to find an egg23
3093984202Are bryophytes gametophyte or sporophyte dominant?gametophyte24
3093986763Seedless vascular plants are made up of what two clades?lycophyetes (club mosses) and pteridophytes (ferns)25
3093997286Seedless vascular plants are sporophyte or gametophyte dominant?sporophyte26
3093999997Describe the gametophytes of fernsthey are tiny plants that grow on or below the soil surface27
3094021365T or F, seedless vascular plants are water dependentT28
3094023523What are the two types of tissue in vascular plant transport?1. xylem 2. phloem29
3094030198xylemconducts water and minerals30
3094032806What is lignin?a polymer that work with xylem to strengthen water conducting cells and provide support31
3094037297What is the function of phloem?distribute sugars, amino acids and other organic products32
3094039498How is phloem arranged?In tubes33
3094041570How do leaves aid in photosynthesis?by increasing surface area34
3094045579What does a seed consist of?embryo and food supply35
3094046886What are the two clades that seed plants are made up of?gymnosperms (naked seeds) ex. pine cones and angiosperms, contains seeds that develop in ovaries (ovaries become fruit)36
3094052814Gametophytes of seed plants are ______microscopic37
3094058065In endosporic development where do gametophytes develop?gametophytes develop within the walls of spores38
3094061383In endosporic development where are gametophytes retained?within the tissues of parent sporophyte39
3094064486What does a sporophyte do for a gametophyte?it protects and provides nutrients40
3094142857What is integument?protective layer of sporophyte tissue41
3094144592What does an ovule consist of?egg producing female gametophyte surrounded by a protective layer of sporophyte tissue (integument)42
3094146672Females develop from ____megaspores43
3094148200Males develop from_____ which develop into ______small microspores, pollen44
3094151429What are the three evolutionary advantages of seeds?1. may remain dormant until conditions are favorable 2. have a supply of stored food 3. can help disseminate (spread the embryo)45
3094155318T or F: Gymnosperms are better suited to dry conditionsT46
3094156034Why are gymnosperms better suited to dry conditions?1. seeds/pollen 2. thicker cuticles 3. leaves with small surface area47
3094158091What is flora?plant life occurring in a particular region48
3094160049What seed plants are an important part of the Earth's flora?gymnosperms49
3094162834In biology, what is a flower?a structure specialized for sexual reproduction50
3094168394What do stamens produce?pollen51
3094168899What do carpels produce?ovules in the ovary52
3094183416Fruit can function asparachutes or propellers, burrs that cling onto animals or clothing and seeds in animal feces53
3094344969Around how many years ago did small plants, fungi and animals emerge on land?5 million54
3094346002Name the first two derived traits of plants1. alteration of generations life cycle 2. multicellular dependent embryos55
3094347920Name the 2nd two derived traits of plants3. walled spores produced in sporangia 4. apical meristems56
3105614689Where are multicellular dependent embryos retained?in the female gametophyte57
3105618775What is the function of placental transfer cells?to transfer nutrients from parent to embryo58
3105625629Land plants are called _____ because of the dependency of the embryo on the parentembryophytes59
3105629397Where are walled spores produced?in sporangia60
3105632241sporangiamulticellular organs that produce spores61
3105634444apical meristemsregions of cell division that can divide throughout a cells life62
3105638863cuticlewaxy covering of the epidermis63
3105644082What is the function of the cuticle?to prevent water loss and microbial attack64
3105646733stromatapores that allow exchange of carbon and oxygen between outside air and the plant65
3105659827What form of nutrition does fungi use?heterotrophic66
3105664134What does the cell wall of fungi contain?chitin, a strong and flexible polysaccharide67
3105672011What are the most common body structures of fungimulticellular filaments68
3105675005What are mycelianetworks of branched hyphae, filaments adapted for absorption69

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