write 5 different between annelida and platy-helminthes?

Asked by  | 23rd Dec, 2013, 07:12: PM

Expert Answer:

Annelida

Platyhelminthes

Dorsoventrally flattened

Body divided into small rings

Appendages (for locomotion) are absent

Appendages are absent

Ganglia are absent

Nervous system contains ganglia

True body cavity is present

True body cavity is absent

Have segmented body

Do not have segmented body

Nephridia are organs of excretion in the annelids

Protonephridia are organs of excretion in platyhelminthes


 
   

Example - Earthworm

Example - Flatworm

Annelida

Platyhelminthes

Dorsoventrally flattened

Body divided into small rings

Appendages (for locomotion) are absent 

Appendages are absent

Ganglia are absent

Nervous system contains ganglia

True body cavity is present

True body cavity is absent

Have segmented body

Do not have segmented body

Nephridia are organs of excretion in the annelids

Protonephridia are organs of excretion in platyhelminthes





Example - Flatworm

Example - Earthworm

Answered by Sheetal Kolte | 24th Dec, 2013, 01:29: PM

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