Thread for B2,C2 and P2

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lukey0071
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#1
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#1
Predications questions or tips for anyone in the exam tomorrow!!

Good luck guys!!
I am doing it as well.
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Denka
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#2
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#2
Tomorrow? Isn't it the 10th of June?
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lukey0071
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#3
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#3
(Original post by Denka)
Tomorrow? Isn't it the 10th of June?
My mistake
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Bulletzone
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#4
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#4
B2- Probably something to Do with Poisoning Cows
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Saad1679
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#5
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#5
Revise everything and don't leave anything to chance.
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Adilpatel
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#6
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#6
Just wondering could someone explain speciation to me. My teacher had rushed through it.
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alchima
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#7
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#7
(Original post by Adilpatel)
Just wondering could someone explain speciation to me. My teacher had rushed through it.
It's when two populations of a species are geographically isolated (maybe by a mountain range or a strip of land) so that they are exposed to different environmental conditions. Natural selection occurs in each habitat with the best adapted organisms being able to survive due to mutations (changes in genetic material). Therefore they can breed successfully and will pass on the useful genes/alleles to their offspring. These will be different in the two populations so they can no longer interbreed.
I think that's what it is..
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Adilpatel
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#8
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#8
(Original post by alchima)
It's when two populations of a species are geographically isolated (maybe by a mountain range or a strip of land) so that they are exposed to different environmental conditions. Natural selection occurs in each habitat with the best adapted organisms being able to survive due to mutations (changes in genetic material). Therefore they can breed successfully and will pass on the useful genes/alleles to their offspring. These will be different in the two populations so they can no longer interbreed.
I think that's what it is..

Thank you very much. How are you feeling for the exam tommorow?
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alchima
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#9
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#9
(Original post by Adilpatel)
Thank you very much. How are you feeling for the exam tommorow?
I'm not really sure how I feel but I know I need to do well cos i'm taking biology next year. I'm definitely ready for the exam. Hopefully the paper isn't too difficult.
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yeezyb
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#10
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#10
I found the B1 C1 P1 exam fine but I'm scared for the B2 and C2 in here! P2 in my opinion is ok but Biology is my weakest science!!
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Abuzar133
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#11
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#11
what is the role of pancreas in disgestio and what does it produce
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Denka
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#12
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#12
I'm guessing this year's Section D will be on Biology, I looked at the last couple years which I think had Chemistry and Physics. I may be wrong though.
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Denka
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#13
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#13
Also, is this thread for Edexcel or OCR? (I'm doing OCR)
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Zeeyo
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#14
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#14
(Original post by Abuzar133)
what is the role of pancreas in disgestio and what does it produce
it produces the enzymes amylase protease and lipase
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BTAnonymous
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#15
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#15
I'm doing AQA. I'm cramming everything because I basically concentrated on all my other exams as science are my last exams but I've left it a little late, haha. Biology isn't too bad and so is chemistry as long as you know your stuff. I find physics slightly harder even though it was my best result at unit 1.

All I say is look at the specification. My stupid ass teacher taught us all the steps for mitosis and meiosis and hammered us saying it is important to know this for the exam but the specification clearly says we don't need any understanding and knowledge of the stages involved in either of them! What a waste of time! Ugh well, saves me some revision I guess.
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BTAnonymous
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#16
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#16
1. Which tissue in a plant transport dissolved food?
2. Which tissue in a plant transport water and minerals?
3. Apart from energy, what is the product of anaerobic respiration and why is it formed?
4. Which type of cell division forms two new identical cells?
5. Which type of cell division happens in animal reproductive organs?
6. What is a stem cell?
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