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Phylum Annelida

Description

Mind Map on Phylum Annelida, created by cathal.d.leahy on 05/15/2014.
cathal.d.leahy
Mind Map by cathal.d.leahy, updated more than 1 year ago
cathal.d.leahy
Created by cathal.d.leahy about 8 years ago
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Resource summary

Phylum Annelida
  1. Segmented body
    1. Rounded in cross-section
      1. Has a clitellum (saddle)
        1. Has body cavity called coelome
          1. Bristles called setae or chaetae
            1. Earthworm
              1. aerates soil
                1. improves drainage
                  1. mixes soil layers
                    1. breaks down organic matter into humus
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