Edexcel Gcse Biology Paper 2 Questions And Answers 100% Verified A+ Guaranteed

kidney transplant {Ans: healthy kidneys are removed from people who died suddenly or kidney donors and replace the failed kidney of the patient, however they can be rejected by the patient's immune system}abiotic {Ans: non-living - temperature - amount of water - light intensity - levels of pollutants}a gradient {Ans: change in abiotic factors across a habitat}factors that effect transpiration {Ans: - bright light -> more transpiration - high temperature -> more transpiration - high wind -> more transpiration - high humidity -> lower transpiration}kidney {Ans: responsible for the removal of urea, adjustment of ion levels and the adjustment of water content of the blood}reverse osmosis {Ans: used as a form desalination - from a higher salt concentration to a lower salt concentration - from a lower water potential to a higher water potential}