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  2. List of longest-living organisms - Wikipedia

    en.wikipedia.org/wiki/List_of_longest-living...

    The 100 species with longest life-spans recorded and verified [1] This is a list of the longest-living biological organisms: the individual(s) (or in some instances, clones) of a species with the longest natural maximum life spans. For a given species, such a designation may include:

  3. Last universal common ancestor - Wikipedia

    en.wikipedia.org/wiki/Last_universal_common_ancestor

    The last universal common ancestor (LUCA) is the hypothesized common ancestral cell from which the three domains of life, the Bacteria, the Archaea, and the Eukarya originated. The cell had a lipid bilayer; it possessed the genetic code and ribosomes which translated from DNA or RNA to proteins.

  4. Timeline of the evolutionary history of life - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_the...

    The earliest evidence for life on Earth includes: 3.8 billion-year-old biogenic hematite in a banded iron formation of the Nuvvuagittuq Greenstone Belt in Canada; [30] graphite in 3.7 billion-year-old metasedimentary rocks in western Greenland; [31] and microbial mat fossils in 3.48 billion-year-old sandstone in Western Australia.

  5. 101 Science Trivia Questions and Answers To Test Your ... - AOL

    www.aol.com/101-science-trivia-questions-answers...

    20. Question: What is the study of living things called? Answer: Biology ... Answer: 10 49. Question: What color is a polar bear’s skin? ... Which planet has the longest year, of about 165 Earth ...

  6. Evolution of cells - Wikipedia

    en.wikipedia.org/wiki/Evolution_of_cells

    Evolution of cells refers to the evolutionary origin and subsequent evolutionary development of cells. Cells first emerged at least 3.8 billion years ago [ 1 ] [ 2 ] [ 3 ] approximately 750 million years after Earth was formed.

  7. HeLa - Wikipedia

    en.wikipedia.org/wiki/HeLa

    In the 1960s, HeLa cells were sent on the Soviet satellite Sputnik-6 and human space missions to determine the long term effects of space travel on living cells and tissues. Scientists discovered that HeLa cells divide more quickly in zero gravity.

  8. Eukaryote - Wikipedia

    en.wikipedia.org/wiki/Eukaryote

    The origin of the eukaryotic cell, or eukaryogenesis, is a milestone in the evolution of life, since eukaryotes include all complex cells and almost all multicellular organisms. The last eukaryotic common ancestor (LECA) is the hypothetical origin of all living eukaryotes, [ 71 ] and was most likely a biological population , not a single ...

  9. These Cats Lived the Longest Lives Ever - AOL

    www.aol.com/lifestyle/cats-lived-longest-lives...

    We’ve compiled a list of the 10 oldest cats by accepting the owner’s word as reported in the media. Enjoy!     These Cats Lived the Longest Lives Ever [Video]