Loading...
Uploaded by ODizzle012 on Apr 26, 2011
No description available.
People & Blogs
Standard YouTube License
SPONGEBOB!!!!
IrIcHiHaRu 3 weeks ago
They're definitely asymmetrical. Radial symmetry doesn't develop until cnidarians appear.
nikenina101 2 months ago
Actually, you are both right; Poriferans can exhibit either radial symmetry OR no symmetry. Great video btw!
zestysafari 4 months ago
Correction! Animals in the Phylum Porifera are asymmetrical, not radially symmetrical! :)
MessyChica 5 months ago
Load more suggestions
SPONGEBOB!!!!
IrIcHiHaRu 3 weeks ago
They're definitely asymmetrical. Radial symmetry doesn't develop until cnidarians appear.
nikenina101 2 months ago
Actually, you are both right; Poriferans can exhibit either radial symmetry OR no symmetry. Great video btw!
zestysafari 4 months ago
Correction! Animals in the Phylum Porifera are asymmetrical, not radially symmetrical! :)
MessyChica 5 months ago