- A, side view of the head region of Nereis cultrifera; B, dorsal view of the same. [Please select]
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Why does a nereis need more respiratory surface than an earthworm does. [Please select]
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Comparing earthworm and nereis, in what respects is the earthworm degenerate. [Please select]
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_ Slides or diagrams, showing a dividing amœba, a dividing paramecium, a dividing vorticella, reproduction in some form of sporozoa, budding hydra, gemmules of spongilla, and some species of worm as Dero or Nereis in the process of dividing. [Please select]
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