Question

Features of porifera

Answer 1

• An example is the sponge
• It'scommon name is the " pore-bearing " animal.
• The body develops from two (2) cell layers
• Itis asymmetrical
• It'sa free-living organism
• Body is covered with pores
• They are sessile
• They have special cells for digestion and support.
• They are the simplest of all animals.
• Reproductionis both a-sexual and sexual.
• They are filter feeders
• Digestionis intracellular
• structural elements are spicules and spongin