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Card 6
Front
*10 Why do large multicellular animals require specialized exchange sufaces?
Back
Card 7
Front
*11 Name three different animal exchange surfaces.
Back
Card 8
Front
Why do aquattic organisms have problems with gas exhange?
Back
Card 9
Front
What are the two main groupings of fish?
Back
Card 10
Front
Desribe the gill of cartilaginous fish e.g. sharks
Back
Card 11
Front
Do cartilaginous fish have parallel flow or counter current flow?
Back
Card 12
Front
Describe the ventillation mechanism in cartilaginous fish
Back
Card 13
Front
Describe the gill of a bony fish
Back
Card 14
Front
*12 Name three structural features of fish gills which make them efficient gaseous exchange organs.
Back
Card 15
Front
Name three things that gills provide
Back
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