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Water movement of a plant

Water movement of a plant . By: Hannah Gemei and Shahd Al Baz 8D . AOI: Environment .

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Water movement of a plant

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  1. Water movement of a plant By: Hannah Gemei and Shahd Al Baz 8D

  2. AOI: Environment The AOI of this unit is Environment since we are learning about plants and interactions. We are currently learning about water movement in a plant, and photosynthesis. And plants are a part of our environment which is the factor that connects these two issues together.

  3. Leafs The leaf is where photosynthesis takes place. It is very well adapted for this job. Leafs have: • A large surface area- to absorb light rays • A thin shape- so gases can diffuse in and out easily. • Green chlorophyll-to absorb light • Veins- to support the leaf surface and to carry substances to and from all the cells in the leaf.

  4. Inside the leaf cuticle: waterproof layer that also cuts down the water lost by evaporation. spongy layer: move rounded cells with lots of air spaces between them. Gas exchange occurs here. Lower epidermis: No thick cuticle. Has lots of tiny holes called stomata (singular automata) These allow gases to diffuse In and out.

  5. Photosynthesis • Photosynthesis is the process of when plants create their own food from three main factors sunlight water and carbon dioxide. The photo on the left shows the cycle of photosynthesis.

  6. Transport System in Plants • Phloem and Xylem vessels Transport Different Things • PHLOEM TUBES TRANSPORT FOOD: • Made of living cells with perforated end plates to allow stuff to flow through. • They transport food made in the leaves to all other parts of the plant, in both directions. • They carry sugars, fats proteins, etc. To growing regions in shoot tips and root tips and to/from storage organs in the roots. • XYLEM TUBES TAKE WATER UP: • Made of dead cells joined end to end with no end walls between them. • The sidewalls are strong and stiff and contain lignin. This gives the pant support. • They carry water and minerals from the roots up to the leaves in the transpiration stream.

  7. Bibliography • www.google.com • www.wikipedia.com • www.plantsforscience.com • www.photosynthesis.com • www.leafs.com

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