Biology · Protozoa Mechanisms
Amoeba proteus captures and ingests motile prey such as Paramecium. Which of the following correctly describes the specific mechanism involved in engulfing active prey?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Import - prey is directly absorbed across the cell membrane without pseudopodia participation.
- 2Invagination - plasma membrane folds inward to pull the static prey into the cell cytoplasm.
- 3Circumfluence - pseudopodia flow around the prey forming a food cup upon contact.✓
- 4Circumvallation - prey is surrounded by pseudopodia forming a wall-like structure without touching it directly.
Correct answer
Circumfluence - pseudopodia flow around the prey forming a food cup upon contact.
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