PBS The Shape of Life Disc 2: Explosion of Life (2002)

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Peter's DVD rating: 3.0 stars
This episode is a little short on the Cambrian Explosion, despite the title. Nothing is said about why the Burgess Shale fossils are special; and no mention of critters like Hallucigenia or Marella.
2:30Desmond Collins: Toronto Royal Ontario Museum 4:20Burgess Shale fossils; Canadian Rockies 5:30Cambrian Explosion
6:40 Anomalocaris , Opabinia , Canadia 11:30 Wiwaxia 12:30Rudy Raff, Terry Chase
14:50 Sponges are multicellular 15:30 Cnidarians 16:00 Flatworm has head
17:30 Aysheaia resembles modern Velvet Worm (Austrealia) 18:30 Ctenorhabdotus fossil resembles comb jellies, can move by living paddles 20:00 Pikaia
21:0035 body plans for all animals 22:50Damhnait McHugh (Colgate University) studies Annelids (15,000 species) 27:30 Scale Worm hitches ride under sea star
28:40 Giant Tube Worms 30:40 Feather Duster Worm 31:00 Terebellid worm extends spaghetti tentacles
32:20 Leech carries offspring in underside patch 36:00Tube-dwelling worm Diopatra (Coos Bay, Oregon) 39:30 Lugworm tunnels into marine mud; has gills for breathing
43:50Snowball earth before Cambrian: burrowing annelids recycle buried carbon, leading to global warming 46:30 Earth Worm cycles leaf litter   
Anomalocaris
6:40 Anomalocaris
Opabinia
6:40 Opabinia
Canadia
6:40 Canadia
Wiwaxia
11:30 Wiwaxia
Sponge
14:50 Sponges are multicellular
Cnidaria
15:30 Cnidarians
Flatworm
16:00 Flatworm has head
Aysheaia
17:30 Aysheaia
Onychophora
17:30 Velvet Worm
Ctenorhabdotus
18:30 Ctenorhabdotus
Pikaia
20:00 Pikaia
Annelida
22:50 Annelids
Arctonoe vittata
27:30 Scale Worm hitches ride under sea star
Riftia pachyptila
28:40 Giant Tube Worms
Sabellidae
30:40 Feather Duster Worm
Terebellid
31:00 Terebellid worm extends spaghetti tentacles
Hirudinea
32:20 Leech carries offspring in underside patch
Diopatra
36:00 Diopatra
Abarenicola pacifica
39:30 Lugworm tunnels into marine mud; has gills for breathing
WARMING
43:50 global warming
Lumbricus
46:30 Earth Worm cycles leaf litter

Index Jan 07, 2010 CC BY 4.0 Peter Chen 2.0