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209. The Importance of Earthworms

Description

There are 27 species of earthworms in the UK but more than 3000 species worldwide. Some species live deep in the soil and never come to the surface; others spend considerable time moving between the surface and the middle layers of the soil; other never leave the surface leaf litter.

This Environmental Studies Factsheet explains:
• Earthworm anatomy.
• Earthworm behaviour.
• Decomposition.

This Factsheet includes practice exam style questions on this topic.

Download Type

.PDF (pdf) 768.46 KB

Date Published

January 2016

ISSN / ISBN

ISSN: 1351-5136

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209 The Importance Of Earthworms

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