Phylum Porifera

What type of symmetry do porifera have?

• asymmetrical
• bilateral
• radial
• exoskeleton

The hard "skeleton" structures in a sponge are called...

• Spongin
• Spicules
• Amebocytes
• Pinococytes

What type of symmetry do sponges (Porifera) have?

• asymmetrical
• radial
• bilateral 
• medial

What habitat can sponges be found or inhabit?

• Saltwater and Freshwater
• Saltwater only
• Rainforest
• Freshwater only

What is the outer layer of a sponge composed of?

• pinacocytes
• choancytes
• amebocytes
• spongocoel

What  is space between the outer cell layer and inner cell layer that has amebocytes, spongin, and spicules it called?

• epidermis
• mesoglea
• mesohyl
• gatrodermis

The elastic fibrous protein found in sponges is called .....

• mesohyl
• spicules
• spongin
• tissue

What are the three body types for sponges (Porifera)?

• Asconiod, Syconoid, Leuconoid
• Small, Large, Medium
• Poly, Medusa, Cube
• Pseudopodia, Cilliated, Flagellated

What is the outer most layer of Porifera?

• epidermis
• gastrodermis
• endodermis
• mesoglea

What is the epidermis of sponges composed of ?

• pinacocytes
• choancytes
• archaeocytes
• spongocoel