Landareak-photosynthesis
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Transcript of Landareak-photosynthesis
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LANDAREAK
Lorerikgabekoak
Loredunak
Lorerik ez Hazirik ez Fruiturik ez
Nola ugaltzendira orduan?
Espora izeneko zelula bereziak dituzte. Estalki gogorra, haien burua babesteko.
goroldioa iratzea
Loreak bai Haziak baiBeti?Ez,
udaberrianedo udan
Bi talde
Gimnospermoak Angiospermoak
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LORERIK GABEKO LANDAREAK
GOROLDIOAK-Oso landare txikiak dira.
Zurtoin txiki batdaukate
Hosto txikiakdauzkate.
Sustraiak dituzte, lurrean finkatzeko. Ez ura hartzeko.
Ura, gorputz osoanzehar xurgatzen dute. Horregatik, oso lekuhezeetan bizi dira.
Urik ez dutenean, lehortu egiten dira eta hilik daudela dirudi; baina bustitzerakoanberriz berdetu egitendira.
Esporak, kapsulen barruansortzen dira.
Kapsula
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LORERIK GABEKO LANDAREAK
IRATZEAK
- Goroldioak baino handioagoak dira.
- Leku hezeetan hazten dira.
Errizoma, lurpekozurtoina da.
Sustraia
Frondea, hostokonposatuak dira.
Soroa, hemenesporaksortzen dira.
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Esporak
Hostoa
Iratzeak
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LANDARE LOREDUNAK
GIMNOSPERMOAK
-Zuhaitzak eta zuhaixkak dira.
- Hosto iraunkorra dute: ez dutehostorik galtzen.
- Ez dute fruiturik sortzen, haziakpinaburuetan sortzen zaizkie.
hazia
hostoak
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Izeia
PinuaPinaburuak
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LANDARE LOREDUNAK
ANGIOSPERMOAK
- Landare talde ugariena da.
- Gure elikaduran erabiltzenditugun landare gehienak
angiospermoak dira.
Angiospermo guztiekloreak sortzen dituzte.
Fruitua
Fruituenbarruanhaziak sortzendituzte.
Hostoa
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Pagoa eta bere
fruitua
Mitxoleta
Garia
Orkidea
Kamomila
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Plant parts
Soil
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How do plants obtain food?
What do they need to do that?
Air
Water
Mineral salts
What energy do they use?
Sun light
Photosynthesis
Autotrophs
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PHOTOSYNTHESIS
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RAW SAP
XYLEM VESSELS
STOMATA.
Sun light
ELABORATED SAP
Oxygen
Mineral salts+ water+ CO2+ sunlight = plants´ food + O2
PHLOEM VESSELS.
Chlorophyll
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Plants absorb water from the soil trough their roots. Mineral salts+ water = RAW SAP
The raw sap travels up the stem to the leaves trough XYLEM VESSELS
Carbon dioxide enters a plant trough tiny pores STOMATA.
Chlorophyll is a green substance which traps sunlight..
Sun light is essential for photosyntesis. So the process can only happenduring the day.
In the leaves, the raw sap mixes with carbon dioxide and becomes ELABORATED SAP: plant´s food.
Plants release oxygen.
Plant´s food is distributed from the leaves to all parts of the plant troughPHLOEM VESSELS.
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Plants absorb water from the soiltrough their roots. Mineral salts+ water = RAW SAP
The raw saptravels up thestem to the
leaves troughXYLEM
VESSELS
Carbon dioxideenters a plant
trough tiny poresSTOMATA.
Sun light is essential forphotosyntesis. So theprocess can only happenduring the day.
In the leaves, the rawsap mixes with carbondioxide and becomesELABORATED SAP: plant´s food.Plants release
oxygen.
Mineral salts+ water+ CO2+ sunlight = plants´ food + O2
Plant´s food isdistributed fromthe leaves to all
parts of theplant trough
PHLOEM VESSELS.
Chlorophyll is a green substance whichtraps sunlight..
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Plantrespiration
PhotosynthesisCarbon dioxide
OxygenOxygen
Carbon dioxide
Nutrients Energy
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Antera : hemenPOLENA sortzenda.
Estaminak
Pistiloa
Obulutegia
Obulua
Loreak landareen ugaltzeorganoak dira
Atal ARRA
Atal EMEA
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Loreen atalak
Obulutegia
Obulua
Pistiloa
Antera
Estaminak
Polena
Petaloak
Kaliza
Sepaloak
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Landare asko beren atal batzuen bidez ugaltzen dira, loreek eta haziek parte hartu gabe.
Era honetansortzen den landareberriaaurrekoarenberdina da.
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Nola erabili landare batzuen ugalketa asexuala?
Aldaxkak landatzea.
Mahatsondoak eta larrosa landareakadibidez aldaxken
bidez ugaltzen dira. Aldaxkak sustraiak
garatzen ditulandatzean eta horrela landare
berri bat sortzen da.
Txertaketa
Landare baten zatia beste landarebati lotzean datza.
Sortzen den landarea
hasierakoarenitxura izango du.
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Landareak haien inguruneari erantzuten diote:
- Landare baten sustraiek beti behera egiten dute eta zurtoinakbeti gora egiten du. Luzoruaren aldapa edozein delarik.
- Zurtoinak eta hostoak argirantz orientatzen dira. Zurtoina aldehorretara hazten da.
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- Landareen ere zein urtaroan gauden badakite. Baina nola?
Argi orduengatik
Udaberrian Neguan
Eguna eta gaua ere bereizten dute.