How did research on sponges explain Darwin’s Paradox?

Image: Blue-violet Oscarelle (Oscarella lobularis) and blue encrusting sponge (Phorbas tenacior) in the Mediterranean Sea near Banyuls. Follow the link to see the annotations to this ... Continue Reading →

Who is Porifera, and could he/she really be 640 million years old?

VIDEO 2 min. 23 sec. Of the 5,000 (some say up to 10,000) species of sponges considered to have been identified, the above is just one example of the diversity within the Porifera phylum, ... Continue Reading →