Login

what is a hydra
what is a sponge
differentiate between sponges and hydra in excretory system

hydra is an animal that lives in seas which belong to the phylum coelendrata in invertibrates.
 
  • 0
View Full Answer
Sponges are animals of the phylum porifera.They are multicellular organisms whose body is full of spores and channels allowing water to circulate through them.
  • 0
What are you looking for?