Question

Difference between metamerism and pseudometamerism?​

Answer 1

Difference BETWEEN TRUE AND PSEUDO METAMERISM

• True metamerism generally happens in the arthropods, chordates, and the annelids. While Pseudo-metamerism happens in the tapeworms and so forth.

• In pseudo-metamerism, division of the ectoderm is the base of the metamerism in the total body. While the division of the mesoderm is the base explanation of the division in the True metamerism.

• In the pseudo-metamerism, every one of the sections function as a solitary unit and they work freely. while in the true metamerism the units function as various units.

• True metamerism has the coordination in the sections while the Pseudo-metamerism has zero coordination between the fragments.

Answer 2

Segmentation is the move or an instance of "dividing into segments" while 'metamerism' is the 'segmentation of the body' into "similar discrete units".

Explanation:

• Metamerism is the "segmentation of body into somites".
• Pseudometamerism takes place in cestodes in which every sections is independent of the other and encomprises complete set of organs that have no connection with organs in other segments.
• A man race in rain with a velocity of 5km/hr.
• In simple language in metameric sections as in annelids both is segmented into both externally and internally whereas in psuedometamerisem body is splited into externally only.

To know more:

Name the phyla which show metamerism

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