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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Sponge Animation: Spicules
37032195
Sponges: Origins
40240443
Sponges: Filter Feeding Made Visible
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Cristina Diaz, Taxonomist: Sponge Biology
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Sponge Animation: Wild Ride Through a Sponge
37267733
Cnidarians: Life on the Move
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Sponges: Time-lapse of Sponge Cells Recombining
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Cnidarian Animation: Anemone Body Plan
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Cnidarians: Anemone Catches Goby
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Jack Costello, Biologist: Why Jellyfish Swim
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Ian Lawn, Neurobiologist: Anemone Nervous System
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Cnidarians: Anemones Fight
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Cnidarian Animation: Polyp and Medusa
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Annelids: Powerful and Capable Worms
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Nematocyst Animation: Feeding Tentacles
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Cnidarians: Anemone Swims Away From Sea Star
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Marine Arthropods: A Successful Design
42592502
Damhnait McHugh, Ecologist: Annelid Ecology
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Nematocyst Animation: Fighting Tentacles
37417829
Flatworm Animation: Reproduction
37448845
Flatworms: An Invasive Flatworm Hunts Earthworms
37325960
Molluscs: The Survival Game
40566178
Geerat Vermeij, Evolutionary Biologist: Reading A Shell’s Story
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Flatworm Animation: Body Plan
37295088
Echinoderms: The Ultimate Animal
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Annelids: Diopatra, Tube-Dwelling Worm
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Flatworm Animation: Tapeworm
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Gail Kaaialii, Marine Biologist: A Success Story: Echinoderms
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Annelids: Abarenicola, Burrowing Worm
37410363
Annelid Animation: Body Plan