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  2. Thiomargarita namibiensis - Wikipedia

    en.wikipedia.org/wiki/Thiomargarita_namibiensis

    The most bacteria were obtained from the upper 3cm of sediment in the sample, with concentrations decreasing exponentially past this point. [18] Here, Thiomargarita namibiensis is easily suspended in moving ocean currents due to the sheath around the cells, which makes it easy for the bacteria to passively float. [ 19 ]

  3. Asexual reproduction - Wikipedia

    en.wikipedia.org/wiki/Asexual_reproduction

    Prokaryotes (Archaea and Bacteria) reproduce asexually through binary fission, in which the parent organism divides in two to produce two genetically identical daughter organisms. Eukaryotes (such as protists and unicellular fungi) may reproduce in a functionally similar manner by mitosis; most of these are also capable of sexual reproduction.

  4. Prokaryote - Wikipedia

    en.wikipedia.org/wiki/Prokaryote

    Bacteria have microcompartments, quasi-organelles enclosed in protein shells such as encapsulin protein cages, [4] [5] while both bacteria and some archaea have gas vesicles. [6] Prokaryotes have simple cell skeletons. These are highly diverse, and contain homologues of the eukaryote proteins actin and tubulin. The cytoskeleton provides the ...

  5. Marine microorganisms - Wikipedia

    en.wikipedia.org/wiki/Marine_microorganisms

    These evolutionary domains are called Bacteria and Archaea. [64] The ancestors of modern bacteria were unicellular microorganisms that were the first forms of life to appear on Earth, about 4 billion years ago. For about 3 billion years, most organisms were microscopic, and bacteria and archaea were the dominant forms of life.

  6. Microorganism - Wikipedia

    en.wikipedia.org/wiki/Microorganism

    Bacteria function and reproduce as individual cells, but they can often aggregate in multicellular colonies. [54] Some species such as myxobacteria can aggregate into complex swarming structures, operating as multicellular groups as part of their life cycle , [ 55 ] or form clusters in bacterial colonies such as E.coli .

  7. Marine prokaryotes - Wikipedia

    en.wikipedia.org/wiki/Marine_prokaryotes

    Bacteria grow to a fixed size and then reproduce through binary fission, a form of asexual reproduction. [68] Under optimal conditions, bacteria can grow and divide extremely rapidly, and bacterial populations can double as quickly as every 9.8 minutes. [69]

  8. Intracellular parasite - Wikipedia

    en.wikipedia.org/wiki/Intracellular_parasite

    Bacteria are also generally small enough to be engulfed by endocytosis, which they trigger with adhesins. Unlike viruses, they can and often do manipulate the cell's behavior beforehand, by injecting effector proteins into the cytosol. [7] Protists are generally too big to enter through endocytosis; they use alternate ways. [22]

  9. Biological exponential growth - Wikipedia

    en.wikipedia.org/wiki/Biological_exponential_growth

    Most commonly apparent in species that reproduce quickly and asexually, like bacteria, exponential growth is intuitive from the fact that each organism can divide and produce two copies of itself. Each descendent bacterium can itself divide, again doubling the population size (as displayed in the above graph). [ 2 ]

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