Sponges

epithelial cells

flat skin like cells connected to eachother and covering outside of the sponge

collar cells

cover inside sponge and each have a flagellum

middle layer of cells

cells involved in reproduction, digestion, and growth and creation of gel like substance

sponge feeding

inward flow of water through sponge pores on sides, collar cell flagella make current

hermaphroditic

sexual reproduction, each sponge has male and female reproductive structures

asexual

small buds form on exterior and break off growing into new sponge