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152 Cards in this Set
- Front
- Back
Phylum Chytridiomycota
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chytrids
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Phylum Glomeromycota
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mycorrhizae
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Phylum Zygomycota
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molds, Rhizopus (bread mold)
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Phylum Ascomycota
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sac fungi (yeasts, morels, truffles)
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Phylum Basidiomycota
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club fungi (mushrooms, puffballs, shelf fungi, rusts, smuts)
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Phylum Acrasiomycota
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cellular slime molds
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Phylum Myxomycota
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plasmodial slime molds
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mycology
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The study of fungi
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heterotrophs
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eat other organisms to survive
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saprobes
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nutrients from dead or decaying matter
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extracellular digestion
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fungal strands secrete digestive enzymes to dissolve its host (food)
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hypha (-ae)
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tiny filaments
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mycelium (-ia)
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The intertwined hyphae that form the body of the fungus are collectively
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multinucleate
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Some fungi have no interior cell walls, just an open multinucleate tube
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cytoplasmic streaming
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• cytoplasm can move quickly back and forth through the network, circulates food and oxygen
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lignin
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substance that gives wood its stiffness
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symbiosis
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both partners benefit
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mutualism
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Can’t survive without the host plant
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lichens
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• are a symbiotic relationship between a fungus (mostly ascomycetes) and a green algae or cyanobacteria
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mycorrhizae
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> root fungi (mostly Glomeromycota)
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endomycorrhizae
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on tree roots
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crustose
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body type thin encrustation
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foliose
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body type leaf-like
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fruticose
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body type thin branches
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sporangium (-ia)
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tiny round ball full of spores
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gametangium (-ia)
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Fused structure
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conjugation
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Reproduce sexually
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mating strain
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No male or female fungi
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spore
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• are haploid cells in a protective envelope that can develop directly into haploid adults
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monokaryotic
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Fungi with only one nucleus in each cell
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dikaryotic
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Fungi with two nuclei in each cell
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conidiophore
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Fungi reproduce asexually by forming haploid spores
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slime mold
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orphan” phyla
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plasmodium
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nuclei inside complex network of cytoplasm
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swarm cell
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• Food starts to run out, signal goes out to cells to swarm together
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zoospore
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Reproduce
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black wart disease
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parasites
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stolon
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– runner-like, spreads the mold
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rhizoid
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> root like, anchors the mold
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sporangiophore
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stalk holds sporangium
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sporangium
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round ball full of spores
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zygospore
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Zygomycetes form reproductive structures
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ascus
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“Sac” is reproductive structure
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ascocarp
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sac fungi
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ascospores
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four haploid spores
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budding
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forming off of
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basidium (-ia)
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club-shaped reproductive structures
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basidiocarp
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• mushroom
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basidiospores
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• form at the tips of the basidia
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fairy ring
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Circles of mushrooms
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waxy cuticle
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a protective epidermis
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stomata
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breathing holes through the cuticle to exchange gases
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secondary metabolites
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toxic organic compounds
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secondary compounds
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plant byproducts
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tracheids
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Drinking tubes
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vessels
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advanced xylem cells
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tracheophytes
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Vascular plants
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gametophyte
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Haploid adult
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sporopollenin
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> a tough biopolymer that prevents dessication and other hazards
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homosporous
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its hard to tell one spore from another
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heterosporous
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, male and female spores look different
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sporophylls
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special modified leaves
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strobilus (-i)
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Sporophylls (“spore leaves”) are often organized into a club-shaped
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gametangium (-ia)
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Gametes are produced in
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antheridium (-ia)
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A gametangium that produces sperm
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archegonium (-ia)
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A gametangium that produces eggs
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daughter colonies
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parent must die
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bryophytes
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No vascular tissue; two divisions one with vascular tissue, one without
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cushiony moss
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erect stalks
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feathery moss
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flattened mats, low-lying
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capsule
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Capsule ripens, the lid or operculum opens up, releases the spores
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protonema
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tiny green threads
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gemmae
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little vegetative buds
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Doctrine of Signatures
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• creator has intentionally created plants to look like the parts of the body they could be used to cure!
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elaters
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long, twisted, moist cells
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gemmae cup
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where the gemmae are
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staminate cones
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give off pollen
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ovulate cones
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open to receive pollen
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ovules
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develop into seeds
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integument
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a protective layer of cells
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seed coat
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integument forms the protective
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seeds
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instead of spores
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megasporangium
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part of the ovule in which seeds develop
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megaspore mother cell
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produces four haploid megaspores by meiosis
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megaspore
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develop in a megasporangia, from a megaspore mother cell
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seed cones
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female
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pollen cones
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male
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needles
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adaptation to conserve water
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coevolution
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• evolutionary change in one organism leads to an evolutionary change in another organism that interacts with it
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perennial
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lives for more than one year
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annual
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lives for only one year
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flower
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reproductive structures that are formed from four sets of modified leaves
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sepals
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protect floral parts in the bud
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petals
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attract pollinators
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stamen
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anthers and filaments
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anther
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holds four microsporangia
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carpel
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form the pistil (stigma, style, ovary)
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pistil
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consists of one or more carpels
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foliar theory of the carpel
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• proposed that carpels evolved from leaves
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ovary wall (pericarp)
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a fruit to help disperse the seeds
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embryo sac
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This large cell with 8 nuclei is the female gametophyte
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micropyle
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where pollen tube enters
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pollen sac
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• of developing gametophytes
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sperm nucleus
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• divides in two, mature male gametophyte now contains three nuclei - two sperm nuclei, one tube
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double fertilization
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• contains a 3N nucleus, which begins to divide repeatedly, forms the nutrition for the embryo - called endosperm (seed within)
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cotyledons (seed leaves
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help determine if it is a dicot or monocot
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dicot
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two seed leafs emerges from the seed
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monocot
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single seed leaf emerges from the seed
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hilum
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seed and you will see its belly button - a crescent shaped scar
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fruit
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disperse the seeds
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pericarp
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leathery, very oily
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endocarp
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stone or pit, encasing a single seed
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mesocarp
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• endocarp, mesocarp, exocarp - each make a different part of the fruit
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simple dry fruit (know ex. of all fruit types)
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• Grains - oats, rice, corn
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simple fleshy fruit
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• one layer of the ovary wall develops into a thick, juicy, delicious pulp
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compound fruit
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develop from more than one ovary
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multiple fruit
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individual flowers togeth
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accessory fruit
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aggregate fruit
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flowers with many carpels forming a single ovary,
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meristem
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Most of the flesh we think of as the strawberry is derived from the receptacle
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parenchyma
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most common cell type, most of the plant body
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phloem
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conduct food
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xylem
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conduct water and dissolved mineral nutrients
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epidermal tissue
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outer layer, skin or bark, root hairs, guard cells
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ground tissue
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“background” tissue, mostly parenchyma
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vascular tissue
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xylem, phloem
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vascular bundles
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bundles of vascular tissue
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primary growth
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(up and down) is controlled by apical meristems
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apical meristem
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controls growth of stems
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secondary growth
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lateral thickening
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lateral meristem
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thin cylinder of tissue that rises through the body of the plant
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terminal bud
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Tender meristem tissue is protected by
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axillary bud
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Lateral branches come from
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node
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Leaves and axillary buds emerge at special growing points on the stem
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internode
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The spaces between the nodes are
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cortex
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used for food storage
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pith
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Parenchyma
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primary root
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main body of the root
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secondary root (lateral)
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• lateral extensions of root
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root hairs
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• finger-like extensions of epidermal cells, absorb water etc…
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stele
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surrounds the vascular tissue; inner circle
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endodermis
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Outer layer of cells in the stele are
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Casparian strip
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Endodermis cells are wrapped by a thin waterproof strip; seals every edge of the cell except the outside facing edge
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root cap
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very tough layer of cells
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tap root
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primary roots modified for food storage
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fibrous root
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• no main root, many roots all about the same size
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petiole
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Leaves consist of a flat blade on a stalk
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blade
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, primarily responsible for photosynthesis
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midrib
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• carries vascular bundles
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stipule
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crescent shaped cross section - leaf scars
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simple leaves
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- single blade, single petiole
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compound leaves
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many leaflets branching from a single petiole
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