Question

phylum annelida ke do udaharan​

Answer 1

Answer:

I don't understand...

Answer 2

Answer:

• phylum Annelida -  

• phylum Annelida is a well-developed phylum.

• annelids have a well-developed body organization i.e. presence of body organ system.  

• they have nephridia for excretion.

• their circulatory system is well developed.

• the body is segmented and it is characteristic of phylum Annelida annelids also have the capacity of regeneration.  

• annelids also are known as a segmented worm.

• they are triploblastic, coelomate, and bilateral in symmetry.  
• their body has moist cutical
• they are generally live in moist environment
• sexes are seperate i.e are hermaphrodite
• fertilization are may be external or internal

examples =    leech, earthworm, Polychaetes