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Published byPhillip Riley Modified over 9 years ago
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Do now! Can you read pages 36 to 45 of your book and also stick the target sheet in?
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9d – Plants as food
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Remember food webs/chains?
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ALL food chains/webs start with plants (“producers”)
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We eat many different parts of plants
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Flowers
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Leaves
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Fruits
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Stem
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Storage organs (tubers)
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Roots
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Seeds
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Energy We gain energy by eating the starch in plants
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Helping crops to grow When plants die, the mineral salts (often called nutrients) are returned to the soil by decomposition.
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Helping crops to grow When crops are harvested, this cannot happen, so the nutrient level of the soil drops.
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Helping crops to grow Fertilisers must be used to replace these nutrients Manure is a natural fertiliser. Decomposers in the soil decompose the manure to put nutrients back in the soil.
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Greenhouses Also known as a glasshouse
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Greenhouses Plants grow better (through photosynthesis) with Warmth Water Light CO 2
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Greenhouses Plants grow better (through photosynthesis) with Warmth Water Light CO 2 We photosynthesize best at 30°. Above 40° some of the enzymes used for photosynthesis are damaged Sometimes pumped into greenhouses to increase growth
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Brain maps again!
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Few words Colours Pictures
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Brain map Mr Porter will put the Powerpoint on loop. Can you brain-map the information?
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