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  1. Flagellate - Wikipedia


    A flagellate is a cell or organism with one or more whip-like appendages called flagella.The word flagellate also describes a particular construction (or level of organization) characteristic of many prokaryotes and eukaryotes and their means of motion. The term presently does not imply any specific relationship or classification of the organisms that possess flagellae.

  2. Eukaryote - Wikipedia


    Eukaryotes (/ j uk ær i o t, - t /) are organisms whose cells have a nucleus enclosed within membranes, unlike prokaryotes (Bacteria and Archaea), which have no membrane-bound organelles. Eukaryotes belong to the domain Eukaryota or Eukarya.Their name comes from the Greek(eu, "well" or "true") and(karyon, "nut" or "kernel"). Eukaryotic cells also contain other ...

  3. Observed Instances of Speciation - TalkOrigins Archive


    A look at a large number of observed speciation events. Not only does this article examine in detail a number of speciation events, but it also presents a brief history of the topic of speciation.

  4. Palaeos: Main Glossary


    The following, inevitably incomplete, introductory glossary of terms and concepts links to other topics discussed elsewhere on this site, as well as including general topics of interest such as well-known prehistoric animals.

  5. Major Phyla Of Animals - Palomar College


    Multicellular animals have a dominant diploid life cycle (diplontic cycle) with the haploid generation reduced to the egg and sperm. Sexual reproduction may involve monoecious species in which members of the population are bisexual (hermaphroditic) with sperm-bearing testicles and egg-bearing ovaries on the same individual.

  6. Eukaryota - Wikipedia, la enciclopedia libre


    Las células eucariotas son generalmente mucho más grandes que las procariotas y están mucho más compartimentadas. Poseen una gran variedad de membranas con núcleo rodeado de la envoltura nuclear, retículo endoplasmático y aparato de Golgi, además de mecanismos para la gemación y fusión de vesículas, incluida la exocitosis y endocitosis. ...

  7. #1064: Christmas Help For A Non-Christian | Captain Awkward


    #1064: Christmas Help For A Non-Christian. Hey Captain, I was hoping I could still get some assistance with a minor but ongoing irritation in my life.

  8. Social Science History: Society and Science History TimeLine


    about 1.300,000,000 years ago early seaweed formed.. Molecular clock methods indicate that red and green algae arose around 1,500,000,000 years ago, and the secondary symbiosis that eventually led to the chromists occurred around 1,300,000,000 years ago during the late Mesoproterzoic era, after the earth's transition to a more highly oxygenated atmosphere with an ozone screen.

  9. / Bio Science Glossary


    / Biology Glossary :-

  10. Forget Mars. Here's Where We Should Build Our First Off ...


    9/8/2014 · A two-year round trip time and a fleet of 25 ships transport ships gives us 50 years to relocate 10,000 people, and 400 years for 80,000 people.