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

Index
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.jpg
6:40 Anomalocaris
Opabinia.jpg
6:40 Opabinia
Canadia.jpg
6:40 Canadia
Wiwaxia.jpg
11:30 Wiwaxia
Sponge.JPG
14:50 Sponges are multicellular
Cnidaria.jpg
15:30 Cnidarians
Flatworm.JPG
16:00 Flatworm has head
Aysheaia.jpg
17:30 Aysheaia
Onychophora.jpg
17:30 Velvet Worm
Ctenorhabdotus.jpg
18:30 Ctenorhabdotus
Pikaia.jpg
20:00 Pikaia
Annelida.jpg
22:50 Annelids
Arctonoe_vittata.jpg
27:30 Scale Worm hitches ride under sea star
Riftia_pachyptila.jpg
28:40 Giant Tube Worms
Sabellidae.jpg
30:40 Feather Duster Worm
Terebellid.jpg
31:00 Terebellid worm extends spaghetti tentacles
Hirudinea.jpg
32:20 Leech carries offspring in underside patch
Diopatra.jpg
36:00 Diopatra
Abarenicola_pacifica.jpg
39:30 Lugworm tunnels into marine mud; has gills for breathing
WARMING.JPG
43:50 global warming
Lumbricus.jpg
46:30 Earth Worm cycles leaf litter
Index Jan 07, 2010 copyleft Peter Chen