Mind map
phylum annelida (earthworm)
Map content
phylum annelida (earthworm)
characteristics
- segmented body
- rounded in cross section
- has clitellum (saddle)
- body cavity: coelome
- bristles (chaetae)
peristalsis
- body contracts, expands, shortens and lenghtens
benefits
- convert organic matter to humus
- improve soil structure by making channels in soil
- aids aeration and drainage
- mix layers through burrowing
- worm cast created by excretion
- high in nutrients
Information
- Description
- Higher level agricultural science (phylum's) Mind Map on phylum annelida (earthworm), created by Rachel Hogan on 23/02/2016.
- Created by
- Rachel Hogan
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- 3
- Rating
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