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IB Biology videos tutorials arranged by standard, narrowed down to exactly what you need to know in a concise explanation. Stephanie Castle currently teaches IB Biology at Dwight Global Online School. She was formerly Head of Science at Shanghai American School, China. Prior to that Stephanie taught IB Biology at the United Nations International School (UNIS) in New York City. Stephanie is an Apple Distinguished Educator and has a passion for the effective use of technology to enhance learning Science. She seeks to inspire students to reach beyond their own expectations through teaching with enthusiasm and a comprehensive knowledge for her subject. Disclaimer: These videos and this channel have been developed independently from and are not endorsed by the International Baccalaureate Organization. International Baccalaureate, Baccalauréat International, Bachillerato Internacional and IB are registered trademarks owned by the International Baccalaureate Organization.

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