The Evolution of Life (text)
ACT I Scene 1 The Earth formed about 4.5 billion years ago. Life began about 3.5 billion years ago. So how did it happen? That’s another big mystery people have…
Our Lives Matter S1E09: The Evolution of Life
Genes are molecules. Evolution is caused by the replication, variation, and selection of genes. For life to begin on Earth, the geology of the Earth had to start a chemical…