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| outer limiting membrane of the amoeba |
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| Thin, fingerlike projection from edges of cell, filled with cytoplasm. |
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| digestive enzymes secreted into the vacuole digest the food particles into soluble material that can pass across the membrane into the cytoplasm. |
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| clear, round membranebound vesicle in the cytoplasm. Collects water from the cytoplasm, moves to the oter plasma membrane of the amoeba where it fues with plasma membrane. |
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| dense, membranebound vesicles in the cytoplasm. Formed as pseudopodia surround and then close around food particles. |
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| Filamentous projections passing through the plasma membrane pellicle. In locomtion and food gathering. |
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| At anterior end, runs diagonally across cell toward posterior end. Carry food into and down the groove. |
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| Cell mouth at the end of the oral groove. |
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| The beating of the flagella in the central cavity pulls water from environment through the porocytes. |
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| lines the central cavity. |
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| Food vacuole go to choanocyte, located in the middle layer between the layer of choanocytes and pinacocytes. |
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| form many holes in the body of a sponge. |
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| outer covering of the sponger is one cell layer deep. |
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| two cells, called gametes fuse to form a new cell called zygote. |
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| darkly stained, roundish structure. |
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