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
Short food supply chains other intervention actions also states «"the development of short food chains and facilitation of geographical proximity between producers and processors". » Farmers' markets, are physical retail markets featuring foods sold directly by farmers to consumers. Community-supported agriculture (CSA), network or association of individuals who have pledged to support one or more local farms, with growers and consumers sharing the risks and benefits of food production. The URGENCI network federates initiatives of CSA from all over the world. AMAP ("French Associations pour le maintien d'une agriculture paysanne") support peasant and organic agriculture through direct links between farmers and consumers Short food