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Amoeba proteus - Summary. Structure Nucleus Cell membrane Contractile vacuole Phagosome Psuedopodium. Locomotion Ectoplasm changes gel to sol Endoplasm streams Pseudopodium forms. Nutrition Heterotroph – feeds on unicellular algae Food engulfed by pseudopodia Phagosome forms
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Amoeba proteus - Summary • Structure • Nucleus • Cell membrane • Contractile vacuole • Phagosome • Psuedopodium
Locomotion • Ectoplasm changes gel to sol • Endoplasm streams • Pseudopodium forms
Nutrition • Heterotroph – feeds on unicellular algae • Food engulfed by pseudopodia • Phagosome forms • Phagocytosis • Pinocytosis
Osmoregulation • Water enters by osmosis • Contractile vacuole fills up • Enlarges • Bursts outwards • New vacuole forms
Reproduction • Binary fission – splits in half