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EXCRETION IN FLATWORM -
Main organs are flame cells, having bundle of cillia.
It receives solute and water from surrounding tissue fluid by ultra filtration & discharge the filtrate into nephredial ducts.
Here reabsorption occur. Excretory material are given out through excretory pore.
Q. What are the problems that vertebrates needed to solve to adapt to the terrestrial environment since they came from the aquatic habitat? How evolution does solve those problems?
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