10:00 Rainbow Sea Star has 5-part symmetry |
10:35 Sea Urchin has 5-part sphere |
10:45 Sea Cucumber has 5-part tube |
11:50 Nerve ring |
13:30 Purple Sea Urchins |
13:30 Giant Kelp |
13:30 barren plain |
16:45 Sea Cucumber feeds on sand and excretes |
19:15 Leopard Sea Cuke defends with poison strands ejected from anus |
19:50 Spiny Brittle Star |
19:50 Brittle Star carpet |
29:00 Bat Stars fight for dominance |
32:00 skin gills |
32:00 tube feet |
32:00 sieve plate (madreporite ) |
32:00 light-sensing receptor at tip of arm |
35:30 Giant Sea Star climbs pylon to attack mussels, |
35:30 digests with extended stomach |
35:30 digest prey |
40:50 Sunflower Starfish |
48:20 Feather Star (Comatulid crinoid) |