Exam (elaborations)
AQA GCSE COMBINED SCIENCE: TRILOGY 8464/B/1F Biology Paper 1F Mark scheme 2023
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has a tail (so) it can swim OR has (many) mitochondria (1) to transfer / release / energy (for sperm to swim) (1) OR has enzyme(s) (1) to penetrate into the egg (1) OR is streamlined (1) to swim faster (1) OR has 23 chromosomes (1) to produce 46 chromosomes in fertilised cell (1) ...
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