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The septal and pharyngeal nephridia open into the alimentary canal and are of enteronephric type. It is an adaptation for

A. conservation of water

B. conservation of heat

C. regulation of temperature

D. regulation of amino acids

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  1. Chetae are totally absent in
  2. The nitrogenous waste in earthworm consist of about
  3. The direction of blood flow in the dorsal vessel of earthworm is
  4. Anticoagulant secreted by leech is
  5. Locomotion in Earthworm is directly facilitated by
  6. In Pheretima, the blood glands are located
  7. The enteronephric nephridia in earthworm are
  8. Nephrostomes are found in
  9. Copulation occurs between two earthworms
  10. Annelids show advancement over the nematoda in having
  11. Spermathecae in earthworm represent
  12. Totally marine annelids belong to the
  13. The female genital aperture in earthworm is present ventrally on segment
  14. The chloragogen cells of earthworm are analogous to
  15. Chloragogen cells of Pheretima play a role very much like that of
  16. The septal and pharyngeal nephridia open into the alimentary canal and are of enteronephric type. It…
  17. The terminal nephridial ducts of the septal nephridia of Pheretima open into
  18. Nereis is commonly called
  19. The dorsal blood vessel in earthworm is
  20. In earthworm, the nephridia without neprostomes are
  21. Earthworm is useful because it
  22. 5. The pre-typhlosolar region in Pheretima extends from
  23. Which region in earthworm is the forest of nephridia ?
  24. A skeleton like function during locomotion of Pheretima is performed by
  25. Sperma thecae in earthworm are meant few
  26. The excretory organs of earthworm are
  27. In earthworm, the circular muscles are highly developed in
  28. Structure typically represented in every segment of earthworm is
  29. Blood glands in Earthworm are associated with
  30. In earthworm, the genital papillae are situated ventrally on segments