The septal and pharyngeal nephridia open into the alimentary canal and are of the enteronephric type. This 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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Similar Questions

In $Pheretima$,the coelomic fluid contains:

$P$ (Assertion): Earthworms have a closed type of circulatory system.
$Q$ (Reason): Earthworms have hemoglobin dissolved in their blood plasma.

Earthworms move with the help of which of the following?

Match the regions of the earthworm based on the clitellum:
$P$ - Segments $14$ to $16$
$Q$ - Segment $17$ to the last segment
$R$ - Segments $1$ to $13$
Identify the correct sequence for the Pre-clitellar region,Post-clitellar region,and Clitellar region,respectively.

In earthworms,the enteronephric nephridia open into the.........

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