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What is the name of the middle layer of a sponge that contains amoeboid cells?
spicules and spongin
ostia
mesenchyme
pore cell
support the sponge
collar cell
diffusion
pore bearing
What is another name for a choanocyte?
spicules and spongin
ostia
mesenchyme
pore cell
support the sponge
collar cell
diffusion
pore bearing
A specialized cell through which water enters the sponge is called a(n)
spicules and spongin
ostia
mesenchyme
pore cell
support the sponge
collar cell
diffusion
pore bearing
The purpose of a spicule is to
spicules and spongin
ostia
mesenchyme
pore cell
support the sponge
collar cell
diffusion
pore bearing
What word refers to how sponges actually transport oxygen, nutrients, and waste? throughout the cell?
spicules and spongin
ostia
mesenchyme
pore cell
support the sponge
collar cell
diffusion
pore bearing
What is used the internal support (the skeletal system) of a sponge?
spicules and spongin
ostia
mesenchyme
pore cell
support the sponge
collar cell
diffusion
pore bearing
The outer opening of a porocyte (pore cell) is called the
spicules and spongin
ostia
mesenchyme
pore cell
support the sponge
collar cell
diffusion
pore bearing
The word Porifera means
spicules and spongin
ostia
mesenchyme
pore cell
support the sponge
collar cell
diffusion
pore bearing
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