This PowerPoint consists of 99 slides all focussing on Transport in Animals. It is useful when used for studying, teaching or revising this big topic. It is perfect for grade 10 and 11, but if you are a brave grade 9 wanting to prepare for the senior phase of high school this is great preparation. ...
, Body size
• Small organisms rely more on diffusion &
therefore do not require a circulatory
system
• Larger organisms cannot survive on
diffusion alone & require circulatory
systems in order to survive
, What about animals with no
transport system?
nutrients
oxygen
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