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Welcome to the World Of Nemertea

Welcome to the World Of Nemertea. By: Z’kiya , Cashmere, and Briana Turner aka BT. Talking about Nemertea . . The Phylum nemertea is characterized as extremely long and thin worms. Origin in Cambian period 500 millions ago. It has up to 4 to 5 species. Lives in the ocean. .

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Welcome to the World Of Nemertea

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  1. Welcome to the World Of Nemertea By: Z’kiya, Cashmere, and Briana Turner aka BT

  2. Talking about Nemertea. • The Phylum nemertea is characterized as extremely long and thin worms. • Origin in Cambian period 500 millions ago. • It has up to 4 to 5 species. • Lives in the ocean.

  3. Characteristics Etymology • Come from Greek Nemertes a sea nymph, daughter Nereus and Doris in Greek mythology • Flattened • Body has more than 2 layers • Body has a through gut with mouth and the anus. • No body cavity • Blood system has blood vessels • Has a rectractableectodermal proboscis. • Asexual/sexual reproduction • Most species are carnivores and predatory Characteristics

  4. Anatomy • They differ by their long protrusible proboscis. • Protrusible proboscis is a tubular extension from the oral region. • They have muscular body wall that have both muscular & longitudinal muscles. • Nemerteans has a well developed nervous system with cephalic ganglia and a nerve network connecting feeling organs.

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