The eggs are minute, and pass out into the sea-water through the dorsal or exhalent siphon. [Please select]
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Identify the long plume-like gills, the ink sac, and the inner opening of the exhalent siphon. [Please select]
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New oscula are formed by a kind of proliferation that renders the structure still more complex than it is when only one exhalent aperture is present. [Please select]
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