1 recipe Basic Burger, with whole-wheat buns. 2 ripe avocados. 2 tablespoons lemon juice. 2 tablespoons chopped fresh parsley. 2 tablespoons chopped fresh basil. 2 scallions, white and light green parts, sliced. 1 clove garlic, roughly chopped. 2 tinned anchovy fillets, rinsed, patted dry and chopped, optional.
1839 Although first seen by Robert Hooke in 1695 (he also first used the term cells), it wasn't until 1839 when Theodor Schwann and Mattais Schleiden first theorized that all plants and animals are made of cells in The Theory of Cells.
In the 1740s, Pierre-Louis Moreau de Maupertuis made the first known suggestion in a series of essays that all organisms may have had a common ancestor, and that they had diverged through random variation and natural selection. In Essai de Cosmologie, Maupertuis noted: