One of the first lessons I remember as an eleven-year-old at my grammar school was biology when we learnt about the Amoeba. I found it quite fascinating and drew a neat (for me) little illustration in my brand new biology book. It looked a little like the diagram below.
Image courtesy of Wikimedia CommonsWe didn't have live Amoebae to study or films or even slides but the teacher taught clearly and well. Would I have remembered as much or more if video clips had been available? Who can tell!
Video clip courtesy of YouTube