Question

Mark the false statement for the phylum-annelida:-
O They are bilaterally symmetrical coelomate animals
O They have both monoecious and dioecious animal
O Excretory system consists of flame cells
O They do not show asexual reproduction generally​

Answer 1

Answer:

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Answer 2

Answer:

C) Excretory system consists of flame cells.

Explanation:

• Phylum Annelida are bilaterally symmetrical invertebrates and found both in aquatic and terrestrial environments. Their body is segmented and exhibits an organ system level of organization. They are triploblastic, and coelomate, and their body are segmented. They have a well-developed digestive, and circulatory system, and respire through the body's surface. Regeneration is a very common feature of Annelids. Most are hermaphrodites, which means both male and female sex organs are present in a single organism. They reproduce sexually and asexually both but generally, reproduce by a sexual method.
• Annelids are classified into four groups; Polychaeta, Oligochaeta, Hirudinea, and Archiannelida.
• Their excretory organs are nephridia. Flame cells are the excretory organs for the phylum Platyhelminthes (Flatworms).

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