A term first coined by Richard Dawkins for the cultural equivalent of genes. Ideas, phrases, fads, beliefs and so on such as the meme concept itself are examples. Their study is known as memetics.
The overall classification of multicellular animals.
An organelle of eukaryotic cells for energy production through oxygen respiration.
The tendency of complex, evolving, self-organizing systems such as brains or genomes to form differentiated functional modules.
The sequential anatomical development of the bodily morphology of an organism.
The ensemble of all possible universes that might exist, most of which would not allow life and human intelligence to appear.