Question

Differentiate between Annelids and Arthropods on the basis of:-
Appendages and Coelom

Answer 1

An arthropod (/ˈɑːrθrəpɒd/, from Greek ἄρθρον arthron, "joint" and πούς pous, "foot" (gen. ποδός)) is an invertebrate animal having an exoskeleton, a segmented body, and paired jointed appendages. Arthropods form the phylum Euarthropoda,[1][3] which includes insects, arachnids, myriapods, and crustaceans. The term Arthropoda as originally proposed refers to a proposed grouping of Euarthropods and the phylum Onychophora.

The annelids (Annelida, from Latin anellus, "little ring"[2][a]), also known as the ringed worms or segmented worms, are a large phylum, with over 22,000 extant species including ragworms, earthworms, and leeches. The species exist in and have adapted to various ecologies – some in marine environments as distinct as tidal zones and hydrothermal vents, others in fresh water, and yet others in moist terrestrial environments.

Answer 2

Answer:

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Explanation:

Main Difference – Annelida vs Arthropoda  

Annelida and Arthropoda are two phyla of the kingdom Animalia. Both Annelida and Arthropoda are composed of segmented animals. The main difference between Annelid and Arthropoda is that Annelida consists of a hydrostatic skeleton whereas Arthropoda consists of an exoskeleton made up of chitin. Animals in both phyla are subdivided into different classes based on their diversity.  The three classes of the phylum Annelida are Polychaeta (marine bristle worms), Oligochaeta (aquatic and terrestrial earthworms) and Hirudinea (leeches). The five classes of the phylum Arthropoda are Crustacea (shrimp, crayfish, and lobster), Arachnida (spiders, ticks, mites and scorpions), Chilopoda (centipedes), Diplopoda (millipedes) and Insecta (bees, butterflies, roaches and beetles).

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