asymmetry
The sponge is considered to be asymmetrical because it is not a perfect shape, and it is generally an off shape.
Sea squirts have a body shape that looks like a sponge or a rock.
A sponge doesn't have a body temperature, because a sponge doesn't have a body. But how warm or cold you put the sponge under water or any liquid is the temperature of the sponge.
an "amoebocyte" Spicules are the inorganic, needle-like, calcium carbonate or silicate structures that give a sponge its shape and rigidity.
yes
Sponge
The sponge uses the choanocytes to move a steady current through its body.
Spongocoel, literally 'sponge cavity'.
One example is that the dolphin has a stream-lined body.
A sponge.
Planetesimal: a small, irregularly shaped body formed irregular by colliding matter
Ostia