Biology Collection 1
Friday, June 25, 2010
Echinoderms
Echinoderms are a phylum of marine animals. This starfish is an echinoderm due to its five-sided and bilateral symmetry. It is arranged around a central axis.
No comments:
Post a Comment
Newer Post
Older Post
Home
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment