Changing Seas: Sponges: Oldest Creatures in the Sea?
6:30 pm - 7:00 pm, Tuesday, December 16 on WDSC HDTV Educational (15.1)
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Sponges: Oldest Creatures in the Sea?
Season 8, Episode 1
The Season 8 premiere examines sponges, which may have been Earth's first animal. There's not total agreement, however. Some scientists posit that ctenophores, aka comb jellies, were the first.
repeat
2016
English
1080i
Stereo
Documentary
Environment
Season Premiere
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