With no true circulatory system, both feeding and gas exchange is accomplished by filtering water through the sponge's tissues. The beating of small flagellated cells called choanocytes is responsible for this water movement. SPONGES are broadly differentiated by the composition of their supporting ...
We can all be in this person’s shoes if we venture a solution for something we have no clue about. If a surgeon mentioned some procedural problem at work, I highly doubt my knowledge-free/chainsaws-are-wonder-tools suggestions would be much help. That’s just an oddity of human discou...