Sponges, Cnidarians and Platyhelminthes. BIOL 1407. Invertebrates. Animals without backbones Most animals. Sponges. Porifera ≠ clade Two possible phyla: Silicea (most sponges) Calcarea Photo Credit: BIOL 1407 Student. Characteristics of Sponges. Cellular organization
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Photo Credit for Portuguese Man o’ War:
UNK Vieques 2008 Field Trip
Photo Credit for Hard Coral: BIOL 1407 Student
Photo Credit of planarian: Dr. Stephen Bostic, 2008
Photo Credit of planarian:
Dr. Stephen Bostic, 2008
Unless otherwise specified, all images in this presentation came from:
Campbell, et al. 2008. Biology, 8th ed. Pearson Benjamin Cummings.