Beginning of Life, The (Penn)
- 1981 ----- color ----- 21 min ----- 16mm
- (Life on Earth series, Part 2) Beginning with an uninhabitable earth 3 1/2 thousand million years ago, famed naturalist David Attenborough explains how life began on earth. Cellular reproduction is briefly covered, touching on DNA, its replication, mutations and the process of natural selection. From complex carbons and amino acids to respirating blue-green algae, Attenborough highlights the crucial stages and turning points in the development of life as we know it.
- Topics: (Biology, Genetics)
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