The difference between genomics and proteomics is simple as the names sounds. Genomics is the study of the genes in an organism while Proteomics is the study of the all the proteins in a cell. Proteomics studies are more beneficial because proteins are the functional molecules in cells and represent actual conditions.
3.8 billion – 2.5 billion years ago
The Archean is the name of the age which started with the shaping Earth. This time of Earth's history endured quite a while, over 2.5 billion years. When the archean age ended the earth was just coming alive.
In multicellular plants and animals, however, meiosis is restricted to the germ cells, where it is key to sexual reproduction. Whereas somatic cells undergo mitosis to proliferate, the germ cells undergo meiosis to produce haploid gametes (the sperm and the egg).
The predator would be the weasel, as it hunts down the hare :)