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Characteristics on Anelida

Characteristics on Anelida. By Bon’Dez Ragland. 6 characteristic. Annelida consist of about 15,000 species of bilaterally symmetrical, segmented worms. Annelids of the class oligochaeta generally live in the soil or in fresh water.

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Characteristics on Anelida

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  1. Characteristics on Anelida By Bon’Dez Ragland

  2. 6 characteristic • Annelida consist of about 15,000 species of bilaterally symmetrical, segmented worms. • Annelids of the class oligochaeta generally live in the soil or in fresh water. • Most species of Annelida have external bristle called setae and have some fleshy protrusions called Para podia. • Earthworms are hermaphrodites, but an individual worm cannot fertilize its own eggs. • An earthworms body is divided into more than 100 segments, most of which are virtually identical. • About two-thirds of all annelids are members of the class polychaeta and are called polychaetes.

  3. 3 facts • An individual worm cant fertilize its own eggs. • These worms have gizzards this releases and breaks up organic matter. • They also avoid dry ground and extreme heats.

  4. Annelid vocabulary • Para podia: One of the fleshy appendages on each side of most segments in a polychaete annelid • Seta: One of the external bristles on annelids • Annelid: a bilaterally symmetrical, segmented worm, such as an earthworm or a leech.

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