Monocot vs. dicot seeds - · PDF file · 2012-11-30Monocot vs. dicot seeds...

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Monocot vs. dicot seeds endosperm cotyledon Func4ons: Seed coat – protec4on Cotyledon – embryo that develops into plant Endosperm – provides nutrients for plant before photosynthesis can begin Exact picture

Transcript of Monocot vs. dicot seeds - · PDF file · 2012-11-30Monocot vs. dicot seeds...

Page 1: Monocot vs. dicot seeds - · PDF file · 2012-11-30Monocot vs. dicot seeds endosperm cotyledon Funcons: Seed coat – protecon Cotyledon – embryo that develops into plant Endosperm

Monocotvs.dicotseeds

endosperm

cotyledon

Func4ons:Seedcoat–protec4onCotyledon–embryothatdevelopsintoplantEndosperm–providesnutrientsforplantbeforephotosynthesiscanbegin

Exactpicture

Page 2: Monocot vs. dicot seeds - · PDF file · 2012-11-30Monocot vs. dicot seeds endosperm cotyledon Funcons: Seed coat – protecon Cotyledon – embryo that develops into plant Endosperm

Monocotvs.dicotleaves

monocot dicot

Maybeadifferentpicture

Parallelveinsbranchedveins

Page 3: Monocot vs. dicot seeds - · PDF file · 2012-11-30Monocot vs. dicot seeds endosperm cotyledon Funcons: Seed coat – protecon Cotyledon – embryo that develops into plant Endosperm

Monocotvs.dicotflowersmonocot dicot

Maybeadifferentpicture

3petalsperwhorl4‐5petalsperwhorl

Page 4: Monocot vs. dicot seeds - · PDF file · 2012-11-30Monocot vs. dicot seeds endosperm cotyledon Funcons: Seed coat – protecon Cotyledon – embryo that develops into plant Endosperm

Monocotvs.dicotstemsmonocot

dicot

Maybeadifferentpicture

Vascular4ssuespreadthroughoutVascular4ssueformsanouterring

Page 5: Monocot vs. dicot seeds - · PDF file · 2012-11-30Monocot vs. dicot seeds endosperm cotyledon Funcons: Seed coat – protecon Cotyledon – embryo that develops into plant Endosperm

Stoma Guardcellstoma

Func4ons:Stoma–allowsgasesintoandoutoftheplantGuardcells–regulatetheopeningandclosingofstoma

Maybeadifferentpicture

Page 6: Monocot vs. dicot seeds - · PDF file · 2012-11-30Monocot vs. dicot seeds endosperm cotyledon Funcons: Seed coat – protecon Cotyledon – embryo that develops into plant Endosperm

Leafcrosssec4on

xylem phloem

Stoma/guardcells

Vascularbundle

Func4ons:Xylem–carrieswaterPhloem–carriesnutrients

Exactpicture

Page 7: Monocot vs. dicot seeds - · PDF file · 2012-11-30Monocot vs. dicot seeds endosperm cotyledon Funcons: Seed coat – protecon Cotyledon – embryo that develops into plant Endosperm

Dicotstem

Exactpicture

Func4ons:Seepreviousslide

Page 8: Monocot vs. dicot seeds - · PDF file · 2012-11-30Monocot vs. dicot seeds endosperm cotyledon Funcons: Seed coat – protecon Cotyledon – embryo that develops into plant Endosperm

Partsoftheflower

•  A=anther•  B=Filament

•  C=S4gma

•  D=style•  E=ovary

petals

sepals

stamen

carpel

Func4ons:Anther–producespollenFilament–structuralsupportfortheantherS4gma–s4ckypartwherepollenbindstoStyle–wherethepollentubegrowsdownOvary–eggsareproduced

Maybedifferentpicture

Page 9: Monocot vs. dicot seeds - · PDF file · 2012-11-30Monocot vs. dicot seeds endosperm cotyledon Funcons: Seed coat – protecon Cotyledon – embryo that develops into plant Endosperm

Sponges

spicule

Func4ons:Spicule–providestructuralsupportanddefense

Maybedifferentpicture

Page 10: Monocot vs. dicot seeds - · PDF file · 2012-11-30Monocot vs. dicot seeds endosperm cotyledon Funcons: Seed coat – protecon Cotyledon – embryo that develops into plant Endosperm

Hydratentacles

mouth

Gastriccavity

stalk

ATachmentdisk

Exactpicture

Func4ons:Tentacles–capturepreyMouth–wherefoodentersGastriccavity–wherefoodisdigestedStalk–supportATachmentdisk–wherehydraaTachtoasubstrate

Page 11: Monocot vs. dicot seeds - · PDF file · 2012-11-30Monocot vs. dicot seeds endosperm cotyledon Funcons: Seed coat – protecon Cotyledon – embryo that develops into plant Endosperm

Planaria

eyespots

head

auricle

Gastrovascularcavity

Func4ons:Head–detectsmostsensoryinforma4onEyespots–detectlightSensorylobe(auricle)–detectschemicalsandtouchGastrovascularcavity–digestsfoodMouth–wherefoodentersPharynx–wherefoodispassedfrommouthtogastrovascularcavity

Page 12: Monocot vs. dicot seeds - · PDF file · 2012-11-30Monocot vs. dicot seeds endosperm cotyledon Funcons: Seed coat – protecon Cotyledon – embryo that develops into plant Endosperm

Nematoda

Func4ons:Spermduct–wherespermmaturesTes4s–wherespermismadeAnus–wherewastesareexcretedIntes4ne‐diges4on

Excretorysystem–wherenitrogenouswastesareexcretedOvary–whereeggsaremadeUterus–wherefer4lizedeggsmature