Marine life asexually by binary fission, fragmentation, or budding; unlike bacteria and eukaryotes, no known species forms spores. Archaea are particularly numerous in the oceans, and the archaea in plankton may be one of the most abundant groups of organisms on the planet. Archaea are a major part of Earth's life and may play roles in both the carbon cycle and the nitrogen cycle. Of eukaryotic groups, the protists are most commonly unicellular and microscopic. This is a highly diverse group of organisms that are not easy to classify. Several algae species are multicellular protists, and there are marine slime molds have
Anthropology of food of food anthropology" for his work "Sweetness and Power (1985)," which linked British demand for sugar with the creation of empire and exploitative industrial labor conditions. Research has traced the material and symbolic importance of food, as well as how they intersect. Examples of ongoing themes are food as a form of differentiation, commensality, and food's role in industrialization and globalizing labor and commodity chains. Several related and interdisciplinary academic programs exist in the US and UK (listed under Food studies institutions). Anthropology of food Anthropology of food is a sub-discipline of anthropology that connects an ethnographic and historical perspective