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Classifying Worm Species - PowerPoint PPT Presentation


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Classifying Worm Species. Worms species come in three general categories. Litter dwelling ( Epigeic ) Soil dwelling (Endogenic) And deep burrowing ( Anecic ). Identifying Adult Worms.

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worms species come in three general categories
Worms species come in three general categories
  • Litter dwelling (Epigeic)
  • Soil dwelling (Endogenic)
  • And deep burrowing (Anecic)
identifying adult worms
Identifying Adult Worms
  • Adult worms have a thickened segment in their mid section that houses their reproductive organs, the clitellum
litter dwelling earthworms
Litter Dwelling Earthworms
  • Do not build permanent burrows
  • Live in and consume the leaf-litter layers of the forest floor
  • Are typically the kind of worm you would find in a compost heap
  • Only grow to between 2 cm and 7 cm long
soil dwelling earthworms
Soil Dwelling Earthworms
  • Build permanent burrows and rarely come to the surface
  • Are unpigmented
  • Only come to the surface if there is very heavy rainfall
deep burrowing earthworms
Deep Burrowing Earthworms
  • Burrow deep into the ground (up to six feet)
  • Burrows are covered by a pile of feaces and leaves called a “midden”
  • Deeply pigmented with a lighter tail
  • Adults can grow up to 15 cm long
  • Typically used as fishing bait
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