official_monica
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HEY FEEL FREE TO POST ANY QUESTIONS OR LAST MINUTE QUERIES YOU HAVE FOR BIOLOGY I WILL CLEAR THEM UP FOR YOU!!!
Better late than never )) good luck to all sitting it!
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xoxohanaxoxo
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any predictions?
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Edexcelcandidate
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can someone pls explain nitrification
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Edexcelcandidate
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(Original post by official_monica)
HEY FEEL FREE TO POST ANY QUESTIONS OR LAST MINUTE QUERIES YOU HAVE FOR BIOLOGY I WILL CLEAR THEM UP FOR YOU!!!
Better late than never )) good luck to all sitting it!
Pls explain nitrification
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GCSE2018Baller
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(Original post by Edexcelcandidate)
Pls explain nitrification
Plants can only absorb nitrates so they use nitrification to convert ammonia (something found in the soil and is not able to be absorbed) into nitrates (they can absorb this). It does this by first converting ammonia into nitrites and then nitrates. Nitrification is carried out by specialized bacteria usually found in the soil with the plants.
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Edexcelcandidate
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(Original post by gcse2018baller)
plants can only absorbs nitrates so they use nitrification to convert ammonia (not able to absorb this) into nitrates (they can absorb this). It does this by first converting ammonia into nitrites and then nitrates. Nitrification is also caused by specialized bacteria usually found in the soil with the plants.
omg thank you so much
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GCSE2018Baller
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(Original post by Edexcelcandidate)
omg thank you so much
No problem
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espeonana
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do we need to revise the carbon cycle for paper 2?
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GCSE2018Baller
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(Original post by espeonana)
do we need to revise the carbon cycle for paper 2?
Yes, I do recommend revising all of the cycles.
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xoxohanaxoxo
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anyone have any recommendations on what to look at?
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GCSE2018Baller
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(Original post by xoxohanaxoxo)
anyone have any recommendations on what to look at?
Different cycles (eg, Nitrogen cycle or Carbon cycle), The heart, The Kidney (I recommend spending a while revising this, it requires a lot of detail and specific terms), Food productions (eg. Fish farms), Different types of sampling for data (Quadrats, Belt Transect), Selective Breeding and Genetic Modification, Respiration. There are plenty of things I think of off the top of my head.

In my opinion you shouldn't base what your revise off prediction just go through all of the paper 2 topic. This may sound like a lot but it would take about 2 hours only...
Here is a list of all the paper 2 topics: https://www.thestudentroom.co.uk/sho....php?t=4756660
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xoxohanaxoxo
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(Original post by GCSE2018Baller)
Different cycles (eg, Nitrogen cycle or Carbon cycle), The heart, The Kidney (I recommend spending a while revising this, it requires a lot of detail and specific terms), Food productions (eg. Fish farms), Different types of sampling for data (Quadrats, Belt Transect), Selective Breeding and Genetic Modification, Respiration. There are plenty of things I think of off the top of my head.

In my opinion you shouldn't base what your revise off prediction just go through all of the paper 2 topic. This may sound like a lot but it would take about 2 hours only...
Here is a list of all the paper 2 topics: https://www.thestudentroom.co.uk/sho....php?t=4756660
thank you so much you're a life saver
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GCSE2018Baller
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(Original post by xoxohanaxoxo)
thank you so much you're a life saver
Also these are the things which didn't come up in Paper 1:

  1. All the topics which did not come up in paper 1 Image

    Variety of Living organisms and 5 Kingdom Classification 1.2
    Viruses 1.2
    Movement of substances into and out of cells – Diffusion, Osmosis and Active Transport 2.12, 2.13, 2.14, 2.15, 2.16
    Transport in Plants – Xylem and Phloem 2.51, 2.52, 2.53, 2.54, 2.55. 2.56
    Heart Structure and Circulatory Systems 2.63, 2.64, 2.65, 2.66
    Human Nervous Systems 2.83, 2.84, 2.85, 2.86,
    The Eye 2.87, 2.88, 2.89,
    Hormones 2.90
    Reproduction in Flowering Plants 3.3, 3.4, 3.5, 3.6, 3.7
    Reproduction in Humans 3.8, 3.9, 3.10, 3.11, 3.12
    DNA and Genetics – this must come up!! 3.13, 3.14, 3.15, 3.16, 3.17, 3.18, 3.19, 3.20, 3.21, 3.22
    Ecology – Food chains and Webs, quadrats etc. 4.1, 4.2, 4.3, 4.4, 4.5, 4.6, 4.7
    Carbon and Nitrogen Cycles 4.8, 4.9, 4.10
    Selective Breeding 5.10, 5.11
    Genetic Modification 5.12, 5.13, 5.14, 5.15, 5.16
    Cloning 5.17, 5.18, 5.19, 5.20

I didn't make this list so don't thank me
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xoxohanaxoxo
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(Original post by GCSE2018Baller)
Also these are the things which didn't come up in Paper 1:

  1. All the topics which did not come up in paper 1 Image

    Variety of Living organisms and 5 Kingdom Classification 1.2
    Viruses 1.2
    Movement of substances into and out of cells – Diffusion, Osmosis and Active Transport 2.12, 2.13, 2.14, 2.15, 2.16
    Transport in Plants – Xylem and Phloem 2.51, 2.52, 2.53, 2.54, 2.55. 2.56
    Heart Structure and Circulatory Systems 2.63, 2.64, 2.65, 2.66
    Human Nervous Systems 2.83, 2.84, 2.85, 2.86,
    The Eye 2.87, 2.88, 2.89,
    Hormones 2.90
    Reproduction in Flowering Plants 3.3, 3.4, 3.5, 3.6, 3.7
    Reproduction in Humans 3.8, 3.9, 3.10, 3.11, 3.12
    DNA and Genetics – this must come up!! 3.13, 3.14, 3.15, 3.16, 3.17, 3.18, 3.19, 3.20, 3.21, 3.22
    Ecology – Food chains and Webs, quadrats etc. 4.1, 4.2, 4.3, 4.4, 4.5, 4.6, 4.7
    Carbon and Nitrogen Cycles 4.8, 4.9, 4.10
    Selective Breeding 5.10, 5.11
    Genetic Modification 5.12, 5.13, 5.14, 5.15, 5.16
    Cloning 5.17, 5.18, 5.19, 5.20

I didn't make this list so don't thank me
that list is what didn't come up on paper 1, right?
still, thank you
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CatWylde77
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Hi, I’m on year 9 at the moment but wondered what the differences are between a GCSE and iGCSE
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xoxohanaxoxo
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is it worth looking at yoghurt and beer and all that?
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PrincessDiaries
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(Original post by GCSE2018Baller)
Different cycles (eg, Nitrogen cycle or Carbon cycle), The heart, The Kidney (I recommend spending a while revising this, it requires a lot of detail and specific terms), Food productions (eg. Fish farms), Different types of sampling for data (Quadrats, Belt Transect), Selective Breeding and Genetic Modification, Respiration. There are plenty of things I think of off the top of my head.

In my opinion you shouldn't base what your revise off prediction just go through all of the paper 2 topic. This may sound like a lot but it would take about 2 hours only...
Here is a list of all the paper 2 topics: https://www.thestudentroom.co.uk/sho....php?t=4756660
What is belt transact?
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