The invasion of the land
Attenborough, Richard, 1926-
The invasion of the land [videorecording]. - Wilmette : Films Inc., 1981. - 1 videocassette (U-matic) (58 min.) : sd., col. ; 3/4 in. - Life on earth [videorecording] ; no.6 .
Naturalist David Attenborough explains how marine vertebrates developed legs and lungs and were thus able to move onto the land. He also describes modern day amphibians, such as the salamanders and frogs.
Vertebrates--Evolution.
Marine fauna--Evolution.
Amphibians--Evolution.
The invasion of the land [videorecording]. - Wilmette : Films Inc., 1981. - 1 videocassette (U-matic) (58 min.) : sd., col. ; 3/4 in. - Life on earth [videorecording] ; no.6 .
Naturalist David Attenborough explains how marine vertebrates developed legs and lungs and were thus able to move onto the land. He also describes modern day amphibians, such as the salamanders and frogs.
Vertebrates--Evolution.
Marine fauna--Evolution.
Amphibians--Evolution.