plant cell organisation

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  • Created by: HPlaistow
  • Created on: 12-05-18 20:01
what is the epidermal tissue
tissue that covers the whole plant
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what is the palisade mesophyll tissue
the part of the lead where photosynthesis happens
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what does the spongy mesophyll do
has big air spaces to allow gases to diffuse in and out cells
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what do the xylem and phloem do
transport things like water, minerals ions and food around the plant
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what is the meristem tissue
found at the growing tips of the shoots, can change into different types of plant cell allowing the plant to grow
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phloem tube
transport food substances made in the leaves for immediate use , the transport goes in both directions, this is called translocation
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xylem
carry water and mineral ions from the roots to the stem and leaves, only transports upwards, the process is called transpiration steam
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what is transpiration caused by
the evaporation and diffusion of water from a plants surface
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how does light intensity affect the rate of transpiration
the brighter the light the greater the transpiration rate, photosynthesis can't happen in the dark, so stomata don't need to be open to let co2 in
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how does temperature affect the rate of transpiration
the warmer, the faster transpiration happens, the water particles have more energy to evaporate and diffuse out of the stomata
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how does air flow affect the rate of transpiration
the better the air flow, greater the transpiration rate, poor air flow- water vapour surrounds the leaf, diffusion doesn't happen quickly
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how does humidity affect the rate of transpiration
the drier the air the faster transpiration happens
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Card 2

Front

what is the palisade mesophyll tissue

Back

the part of the lead where photosynthesis happens

Card 3

Front

what does the spongy mesophyll do

Back

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Card 4

Front

what do the xylem and phloem do

Back

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Card 5

Front

what is the meristem tissue

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