Which Statement About Protonephridia in a Freshwater Flatworm Is False

question 243

Multiple Choice

Which statement about protonephridia in a freshwater flatworm is false?

• A) A protonephridium consists of a flame cell and tubule.
• B) Extracellular fluid moves into a protonephridium because pressure is lower inside the tubule than it is outside it.
• C) Tubule cells reabsorb solutes.
• D) Fewer ions are reabsorbed than secreted.
• E) Filtrate flows out the excretory pore.

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