https://www.sciencelearn.org.nz/resources/9-earthworms-role-in-the-ecosystem

Jun 12, 2012 ... Charles Darwin is well known for his work on natural selection. He published widely on topics ranging from barnacles to geology to plants.

https://nhpbs.org/wild/annelida.asp

There are about 15000 species in this phylum. The phylum includes earthworms, leeches, and marine worms known as polychaetes. Species in this order have ...

https://www.ck12.org/biology/annelid-ecology/lesson/Annelid-Ecology-Advanced-BIO-ADV/

Dec 11, 2015 ... Describes the ecology of different annelids. ... A commensal relationship between two organisms is beneficial to one member but provides ...

https://en.wikipedia.org/wiki/Annelid

The annelids also known as the ringed worms or segmented worms, are a large phylum, with over 22,000 extant species including ragworms, earthworms, and ...

https://ucmp.berkeley.edu/annelida/annelidalh.html

Annelids have radiated into a number of niches. Some are parasitic, notably the leeches and myzostomarians; others filter-feed or prey on other invertebrates.

https://www.britannica.com/animal/annelid

Annelid: Annelid, any member of a phylum of invertebrate animals that are ... Commensalism, a beneficial relationship between two types of organisms, ...

https://www.reference.com/pets-animals/annelids-important-2ed335750ed479a0

Annelids, or segmented worms, are important because some of them aerate and enrich soil, which keeps it fertile. Medicinal leeches are annelids that are used ...

https://www.sas.upenn.edu/~rlenet/Earthworms.html

Earthworms are classified in the phylum Annelida or Annelids. Annelida in Latin means, “little rings.” The body of the earthworm is segmented which looks like ...

https://extension.illinois.edu/worms/live/

Welcome to the autobiography of Herman- The Worm. Learn about worms and the adventures of Herman's life.

http://www.ento.csiro.au/education/allies/annelida.html

Annelids are divided into 3 groups, 2 of which are terrestrial and include ... Earthworms are considered to be beneficial animals because as they move through ...