Typical values of the Reynolds number for various animals moving through air or water are listed below. For which cases is inertia of the fluid important? For which cases do viscous effects dominate? For which cases would the flow be laminar, turbulent? Explain.

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Animal Speed Re (a) large whale 10 m/s 300,000,000 (b) flying duck 20 m/s 300,000 (c) large dragonfly 7 m/s 30,000 (d) invertebrate larva 1 mm/s 0.3 (e) bacterium 0.01 mm/s 0.00003