Sea Urchin: A Stinging but Amazing Animal
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Scan day: 04 March 2014 UTC
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Description: Article by Jean-Marie Cavanihac on these animals with many photographs of their development.
The sea urchin, an amazing animal by Jean-Marie Cavanihac, France The weather is nice, the sea water is warm, you are going to walk along the seashore, among wave foam which is reaching the beach and refreshing your feet.... Suddenly you sense a puncture under your toe: a sea urchin, hidden under a clump of algae, has defended itself against your foot's aggression! You are angry with the creature, because your toe is painful and also because urchin spines are very difficult to remove. But spines are its unique and passive defence against predators. (Even in its own family: the starfish which is also an ECHINODERM doesn't hesitate to eat its cousins!) (Picture:
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| Page title: | The sea urchin, an amazing animal |
| Keywords: | Microscopy, Micscape, amateur microscopy, echinoderms, sea urchin |
| Description: | The sea urchin, an amazing animal. A look at some microscopic fetures of interest to the amateur naturalist. |
| IP-address: | 98.138.19.143 |