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The Hawaiian bobtail squid lives in symbiosis with the bioluminescent bacteria Aliivibrio fischeri which inhabits a special light organ in the squid's mantle. The bacteria are fed sugar and amino acid by the squid and in return hide the squid's silhouette when viewed from below, counter-illuminating it by matching the amount of light hitting ...
It is estimated viruses kill 20% of this biomass each day and that there are 15 times as many viruses in the oceans as there are bacteria and archaea. Viruses are the main agents responsible for the rapid destruction of harmful algal blooms , [ 40 ] which often kill other marine life. [ 54 ]
It is estimated viruses kill 20% of the microorganism biomass each day and that there are 15 times as many viruses in the oceans as there are bacteria and archaea. Viruses are the main agents responsible for the rapid destruction of harmful algal blooms , [ 106 ] which often kill other marine life. [ 107 ]
The microbial loop refers to the flow from the dissolved organic carbon (DOC) via heterotrophic bacteria (Het. Bac.) and microzooplankton to predatory zooplankton (on the right with black solid arrows). Viruses play a major role in the mortality of phytoplankton and heterotrophic bacteria, and recycle organic carbon back to the DOC pool.
Part of the contents of one dip of a hand net.The image contains diverse planktonic organisms, ranging from photosynthetic cyanobacteria and diatoms to many different types of zooplankton, including both holoplankton (permanent residents of the plankton) and meroplankton (temporary residents of the plankton, e.g., fish eggs, crab larvae, worm larvae).
Last year, researchers in Qingdao, China developed a synthetic sponge made of starch and gelatin designed to remove microplastics from water, though its efficacy varied depending on water conditions.
Viruses can infect and break open bacterial cells and (to a lesser extent), planktonic algae (a.k.a. phytoplankton). Therefore, viruses in the microbial food web act to reduce the population of bacteria and, by lysing bacterial cells, release particulate and dissolved organic carbon (DOC). [4] Bacteria
The squid’s nerves and muscles control whether the sac is expanded or contracted. When it expands, it’s like a balloon filling up with a colored liquid. When all of the chromatophores across ...