Aqa Gcse Combined Science Trilogy B2 Study Guide Rated A+

causal mechanism {Ans: something that explains how one factor influences another through a biological process}Root hair cell {Ans: Adapted by osmosis for uptake of water and active transport for uptake of mineral ions}lower epidermis {Ans: contains stomata}Digestion {Ans: Large food molecules broken down to smaller ones by enzymes which is then absorbed to the bloodstream}Benign tumour {Ans: Growth of abnormal cells contained in one area in a membrane. Doesn't invade other parts of the body}risk factors {Ans: Factors leading to an increased rate of disease}