BIO 14_Act 11_Porifera and basic concepts

Lung Cells, Thyroid Cells, Digestive Cells

• Endoderm
• Mesoderm
• Ectoderm

Cardiac Muscle, Skeletal Muscle, Renal Cells, RBC, Smooth Muscles

• Endoderm
• Mesoderm
• Ectoderm

Skin, Neuron, Pigment

• Endoderm
• Mesoderm
• Ectoderm

Non-cellular matrix in sponges

• Mesohyl
• Spicules
• Palliside

Sponge cells that can change form and function

• Totipotent
• Morphogenesis
• None of the above

Which is true about sponges

• Larvae = Motile; Adult = Sessile
• Larvae = Sessile; Adult = Motile
• Larvae = Sessile; Adult = Sessile
• Larvae = motile; Adult = motile

A, B, C, D, E

Endoskeleton which maybe composed of calcium carbonate or silica

• Spicules
• Spongin
• None of the above

collagenous protien for support

• Spicules
• Spongin
• None of the above

A, B, C, D