What are annelida? meaning of annelida?

1.	What are annelida? meaning of annelida?
Answer» Explanation: The annelids are bilaterally symmetrical, triploblastic, coelomate, invertebrate organisms. They also have parapodia for locomotion. Most textbooks still USE the traditional DIVISION into polychaetes (almost all marine), oligochaetes (which include earthworms) and leech-like species. Cladistic research since 1997 has radically changed this scheme, viewing leeches as a sub-group of oligochaetes and oligochaetes as a sub-group of polychaetes. In addition, the Pogonophora, Echiura and Sipuncula, previously regarded as separate phyla, are now regarded as sub-groups of polychaetes. Annelids are CONSIDERED members of the Lophotrochozoa, a "super-phylum" of protostomes that also INCLUDES molluscs, brachiopods, flatworms and nemerteans. The basic annelid FORM consists of multiple segments. Each segment has the same sets of organs and, in most polychates, has a pair ✌✌✌✌

Answer»

Explanation:

The annelids are bilaterally symmetrical, triploblastic, coelomate, invertebrate organisms. They also have parapodia for locomotion. Most textbooks still USE the traditional DIVISION into polychaetes (almost all marine), oligochaetes (which include earthworms) and leech-like species. Cladistic research since 1997 has radically changed this scheme, viewing leeches as a sub-group of oligochaetes and oligochaetes as a sub-group of polychaetes. In addition, the Pogonophora, Echiura and Sipuncula, previously regarded as separate phyla, are now regarded as sub-groups of polychaetes. Annelids are CONSIDERED members of the Lophotrochozoa, a "super-phylum" of protostomes that also INCLUDES molluscs, brachiopods, flatworms and nemerteans.

The basic annelid FORM consists of multiple segments. Each segment has the same sets of organs and, in most polychates, has a pair

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