The Amoebocytes in sponges travel freely in the Mesenchyme. They digest food that the sponge has extracted from the water and transport the digested food to the parts of the sponge that need it.
The sponge gathered food by filting the food.
a sea sponge uses energy when mating and filtering food :)
The algae provides food to the sponge and the sponge provides protection to the algae in return.Answerlichens
No.
A tube sponge gets their good from a fliter in there mouth. ( The fliter is there mouth)
The osculum
It either refers to a sponge cake (such as a Victoria sponge), or a kind of pre-ferment used in breadmaking. The context will clarify which it means.
The pores in a sponge are used to filter the water, and while doing that they collect food to eat
xylem
bithces
The Krabby Patty.