5. Complementary nature of structure and function

The anatomy and physiology of plants and animals illustrate the complementary nature of structure and function.

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Mollusc Animation: Squid Body Plan
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Molluscs: Blue-Ringed Octopus Warning Coloration
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Geerat Vermeij, Evolutionary Biologist: Reading A Shell’s Story
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Cnidarian Animation: Anemone Body Plan
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Cnidarians: Anemone Catches Goby
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Molluscs: Octopus Catching Crab
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Peter Ward, Paleontologist: The Ancient Nautilus
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Nematocyst Animation: Feeding Tentacles
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Cnidarians: Anemones Fight
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Annelids: Terrebellid, Spaghetti Worm
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Sponges: Origins
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Nematocyst Animation: Fighting Tentacles
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Cnidarians: Anemone Swims Away From Sea Star
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Annelids: Diopatra, Tube-Dwelling Worm
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Annelids: Powerful and Capable Worms
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Cnidarian Animation: Polyp and Medusa
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Flatworms: An Invasive Flatworm Hunts Earthworms
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Annelids: Abarenicola, Burrowing Worm
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Marine Arthropods: A Successful Design
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Flatworm Animation: Reproduction
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Echinoderms: Sea Star Time-lapse: Don Wobber’s Film
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Annelids: Leeches
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Molluscs: The Survival Game
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Flatworm Animation: Tapeworm
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Echinoderms: Sea Star Time-lapse: Eating Mussel
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Annelids: Lumbricus, Earthworm
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Echinoderms: The Ultimate Animal
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Flatworm Animation: Body Plan
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Echinoderms: Sea Star Time-lapse: Eating Dead Fish
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Bilateral Body Plan