they are filter feeding animals so when the flagella or little sticky whips inside flip around it collects oxygen from the water
a type of sponge that is purple
the toe
tube sponges come in many natural colors such as brown, dull green and yes, yellow. secondly tube sponges reproduce by spliting their selves in half. so i guess their only family is the one sponge.
All sponges don't have respiratory organs. Instead, individual sponges breath for the sponge.
Yes they are.
No.
they have thungs and mungs
not necessarily .
zooplankton
porifera
345434
What is a purple tube sponge what are you on?