A Swimming Snail
Sea butterflies (also called pteropods) are sea snails aptly named: they are...
A fringe of short tentacles surrounds the flattened bell of this tiny, transparent...
How Diverse is That?
Students discuss the meaning of biological diversity. Students will compare and...
Tue, 12/01/2009 - 12:02
A Ctenophore Feeds
The comb jelly (ctenophore) Thalassocalyce inconstans is found in shallow to deep...