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|Topic Started: Oct 22 2010, 06:32 AM (343 Views)|
|The Dodo||Oct 22 2010, 06:32 AM Post #1|
Size: 0.5-7cm long, 0.5-5cm diameter
Evolved from the Soil Sigmatatora, they have become better adapted to their underground lifestyle. They have lost all sense of sight, instead relying on touch and primitive sense of smell. Their shells have been almost completely lost to allow better movement through the soil. They move using a series of bristles along the bottom of their bodies using muscular contractions to push them along. They resemble small discs moving through the soil, usually a light brown colour. Their skin has become more water tight, allowing them to move further inland.
They have a simple digestive system, a tube which extracts nutrients from the decaying organic matter which they eat. They have become an important part of the ecosystem becoming an important component of many food webs and helping enrich the soils.
Orginally coming from Gondwana, when Gondwana collided with Euramerica they successfully moved up North.
Like their ancestors they reproduce asexually, laying many small eggs under the soil. The young hatch out very small but grow quite quickly.
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