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More cards in this set
Card 6
Front
What did complex multicellular organisms evolve?
Back
Card 7
Front
What do larger organisms have?
Back
Card 8
Front
what have evolved to make exchange more efficient?
Back
Card 9
Front
Why has mass transport circulatory systems evolved?
Back
Card 10
Front
When are they needed?
Back
Card 11
Front
What are the general characteristics of a circulatory system?
Back
Card 12
Front
What must be maintained? what must surfaces be?
Back
Card 13
Front
What are the various distinct characteristics?
Back
Card 14
Front
What else?
Back
Card 15
Front
Transport in mammals direction?
Back
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