PBS The Shape of Life Disc 4: Ultimate Animal (Echinoderms) (2002)

Index
Peter's DVD rating: 3.0 stars
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 feed on Giant Kelp , leaving barren plain (California coast) 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 can jettison arms as decoys, form dense Brittle Star carpet 29:00 Bat Stars fight for dominance
32:00Sea Stars use skin gills for breathing; use tube feet for locomotion; water drawn through sieve plate (madreporite ) into radial canals; light-sensing receptor at tip of arm 35:30 Giant Sea Star climbs pylon to attack mussels, digests with extended stomach to digest prey (Big Sur, California) 40:50 Sunflower Starfish chases snail
48:20 Feather Star (Comatulid crinoid) (Eastbourne, England)      
Orthasterias_koehleri.jpg
10:00 Rainbow Sea Star has 5-part symmetry
Echinoidea.jpg
10:35 Sea Urchin has 5-part sphere
Holothuroidea.jpg
10:45 Sea Cucumber has 5-part tube
nerve-ring.JPG
11:50 Nerve ring
Strongylocentrotus_purpuratus.jpg
13:30 Purple Sea Urchins
Macrocystis_pyrifera.jpg
13:30 Giant Kelp
barren.JPG
13:30 barren plain
Holothuroidea-excrete.jpg
16:45 Sea Cucumber feeds on sand and excretes
Bohadschia_argus.jpg
19:15 Leopard Sea Cuke defends with poison strands ejected from anus
Ophiotrix_spiculata.jpg
19:50 Spiny Brittle Star
Brittle_Star-carpet.JPG
19:50 Brittle Star carpet
Asterina_miniata.jpg
29:00 Bat Stars fight for dominance
skin-gills.JPG
32:00 skin gills
tube-feet.JPG
32:00 tube feet
sieve-plate.JPG
32:00 sieve plate (madreporite )
light-sensor.JPG
32:00 light-sensing receptor at tip of arm
Pisaster_giganteus.jpg
35:30 Giant Sea Star climbs pylon to attack mussels,
stomach.JPG
35:30 digests with extended stomach
stomach-digest.JPG
35:30 digest prey
Pycnopodia_helianthoides.jpg
40:50 Sunflower Starfish
Crinoidea.jpg
48:20 Feather Star (Comatulid crinoid)
Index Mar 17, 2010 copyleft Peter Chen