In this GCSE Biology revision video, Hazel explains food chains and webs, definitions of trophic levels, producers, consumers, predators and prey, and how to use pyramids of numbers and biomass.
These videos are designed to help with your GCSE science revision.
For additional support Like Hazel's Facebook Page https://goo.gl/w2261M
Hazel completed her undergraduate degree at St John's College, the University of Cambridge. She then did a PGCE (Post-Graduate Certificate of Education) before qualifying as a science teacher. She now works full time as a professional tutor.
These videos can be used across all exam boards. Material required for A* is included.
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