Biology revision Year 10 GCSE quiz 4.5 / 5 based on 3 ratings ? BiologyGCSEAll boards Created by: alexCreated on: 13-05-12 15:46 What is diffusion? The spreading out of particles 1 of 5 A group of cells are called: A tissue 2 of 5 A group of tissues are called: An organ 3 of 5 A group of organs are called: A system 4 of 5 who's idea was evolution? Darwin 5 of 5
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