Marine life appeared in the form of fish, which live exclusively in water. Some of these evolved into amphibians which spend portions of their lives in water and portions on land. Other fish evolved into land mammals and subsequently returned to the ocean as seals, dolphins or whales. Plant forms such as kelp and algae grow in the water and are the basis for some underwater ecosystems. Plankton, and particularly phytoplankton, are key primary producers forming the general foundation of the ocean food chain. Marine invertebrates exhibit a wide range of modifications to survive in poorly oxygenated waters including breathing tubes (see
National Collection of Industrial Food and Marine Bacteria the OST review, that suggested the NCFB no longer met the needs of the Ministry of Agriculture, Fisheries and Food (MAFF) In 2000, NCIMB Ltd. was fully spun out from the university and became an independent, privately-held company NCIMB Ltd. continues to manage the "National Collection of Industrial, Food and Marine Bacteria" under the direction of Dr Samantha Law, the current curator. National Collection of Industrial Food and Marine Bacteria The National Collection of Industrial, Food and Marine Bacteria (NCIMB) is a culture collection in the United Kingdom consisting of microorganisms from environmental samples (particularly marine bacteria) as well as