KINGDOM PLANTAE What is a Plant? Multicellular and Eukaryotic.
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Transcript of KINGDOM PLANTAE What is a Plant? Multicellular and Eukaryotic.
![Page 1: KINGDOM PLANTAE What is a Plant? Multicellular and Eukaryotic.](https://reader035.fdocuments.net/reader035/viewer/2022081800/56649eca5503460f94bd7e87/html5/thumbnails/1.jpg)
KINGDOM PLANTAE
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What is a Plant?
Multicellular and Eukaryotic
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Have cells walls made of cellulose
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Carry out photosynthesis (autotrophs)
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Examples:Trees, shrubs, grasses, mosses,
ferns, flowering plants, etc.
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What a plant needs to survive Sunlight for
photosynthesis
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Water & Minerals
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Gas exchange of oxygen & carbon dioxide for respiration & photosynthesis
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Ability to move water & nutrients throughout the plant
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PARTS OF A PLANT
STEMS Produce leaves, branches & flowers
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Hold leaves up to the sunlight
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Transport substances between roots and leaves (through veins)
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PARTS OF A PLANT Veins in a plant are
called VASCULAR TISSUE
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There are 2 types of Vascular Tissue:
1.Xylem – transports water from roots to
the rest of the plant
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2. Phloem – transports sugars and other nutrients throughout a plant
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VEINS - CARRY WATER, MINERALS AND SUGARS THROUGH THE PLANT
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THREE TYPES OF VENATION: PINNATE
PALMATE
PARALLEL
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ROOTS –absorb water and nutrients and anchor the plant to the ground
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TWO TYPES OF ROOTS: FIBROUS(Clump of short,threadlike roots)
TAPROOT (Single, large central root)
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Leaves – where light is absorbed and photosynthesis is carried outBLAD
E VEIN
PETIOLE
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Types of Leaves
Simple Leaf
Compound Leaf
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LeavesStomata are pores or holes in the epidermis of the leaf that allow gas exchange
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Carbon dioxide comes in through the opening and oxygen leaves through the pore
This is important for photosynthesis to occur
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Guard cells on each side of the stomata control its opening and closing
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Water is also lost through the stomata in a process called transpiration, so plants only leave stomata open long enough to do photosynthesis
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Picture of Stomata & Guard Cells Label
this picture on your paper
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More Pictures of Stomata
Above: Diagram of how stomata open and close
Below: Real
picture of stomata
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3 TYPES OF PLANT TISSUESDERMAL –protection for the plant (waxy coating)
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VASCULAR – transport tissue XYLEM PHLOEM
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GROUND TISSUE – contains cells that perform photosynthesis
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PLANT NAMESPLANTS ARE
OFTEN NAMED BY WHAT THEY LOOK LIKE:
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BROWN-EYED SUSAN
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SUNFLOWER
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MILKWEED
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WINE CUP
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CAT TAILS
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WEEPING WILLOW
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WHY WE NEED PLANTS
WE ARE DEPENDENT ON PLANTS FOR:
1. OXYGEN PRODUCTION2. FOOD SOURCE – WE RELY ON PRODUCERS
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TYPES OF TROPISMS (PLANT RESPONSES)
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1. Phototropism Process where plants respond to light
stimulus by growing in the direction of available light
Leaves and stems respond positively to light, meaning that they grow toward it
A plant’s roots respond negatively to light, growing away from it
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2. Thigmotropism Process where plants respond to touch or
physical contact with an object Some plants respond to touch or other stimuli,
such as a high wind, by folding up their leaves A vine’s roots exhibit a positive response to
touch when their roots cling to the side of a building or their tendrils wrap around an object
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3. Geotropism Process where a plant responds to gravity Roots have a positive response to gravity
and grow downward into the soil Leaves and stems have a negative
response to gravity and grow upward against its effects.
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Examples of Tropism Thigmotropism
Geotropism
Phototropism
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http://www.umanitoba.ca/Biology/lab9/images/tiliastem.gifhttp://www.progressivegardens.com/knowledge_tree/tissue.jpghttp://www.fdl.uwc.edu/arboretum/images/browneyedsusanweb.jpghttp://www.pipersdream.com/Sunflowers/sunflower3.jpghttp://www.desotostatepark.com/photogallery/wildflowers/white%20milkweed.jpghttp://www.gov.mb.ca/agriculture/crops/weeds/images/fab50s00m.jpghttp://www.theflowerexpert.com/media/images/aboutflowers/wildflowers/winecup.jpghttp://pages.prodigy.net/jospencer/wine.jpghttp://www.chesapeakebay.net/images/cattails.jpghttphttp://www.exoticindiaart.com/artimages/weepingwillow_sm.jpghttp://www.exoticindiaart.com/artimages/weepingwillow_sm.jpg
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