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  1. Eukaryote

    Taxonomic group whose members have a cell nucleus enclosed within a nuclear envelope

    The eukaryotes constitute the domain of Eukaryota or Eukarya, organisms whose cells have a membrane-bound nucleus. All animals, plants, fungi, seaweeds, and many unicellular organisms are eukaryotes. They constitute a major group of life forms alongside the two groups of prokaryotes: the Bacteria and the Archaea. Eukaryotes represent a small minority of the number of organisms, but given their generally much larger size, their collective global biomass is much larger than that of prokaryotes. The eukaryotes seemingly emerged within the Asgard archaea, and are closely related to the Heimdallarchaeia. This implies that there are only two domains of life, Bacteria and Archaea, with eukaryotes incorporated among the Archaea. Eukaryotes first emerged during the Paleoproterozoic, likely as flagellated cells. The leading evolutionary theory is they were created by symbiogenesis between an anaerobic Asgard archaean and an aerobic proteobacterium, which formed the mitochondria. Wikipedia

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  2. en.wikipedia.org

    The eukaryotes (/ j uː ˈ k ær i oʊ t s,-ə t s / yoo-KARR-ee-ohts, -⁠əts) [4] constitute the domain of Eukaryota or Eukarya, organisms whose cells have a membrane-bound nucleus.All animals, plants, fungi, seaweeds, and many unicellular organisms are eukaryotes. They constitute a major group of life forms alongside the two groups of prokaryotes: the Bacteria and the Archaea.
  3. bioexplorer.net

    Feb 28, 2024Domain Eukarya: Life on Earth is genuinely very diverse.Hence, to easily distinguish living organisms, early scientists classified them into two kingdoms: Animalia (animals) and Plantae (plants). However, during the 19th century, this classification was challenged by numerous pieces of evidence that were just too insufficient to explain such diversity.
  4. biologysimple.com

    Apr 2, 2024Eukarya is one of the three domains of life, consisting of organisms with complex cells. These cells contain a nucleus and other membrane-bound organelles, setting them apart from bacteria and archaea. Eukarya encompasses a vast diversity of life forms, including animals, plants, fungi, and protists. The evolution of eukaryotic cells is a ...
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  6. microbenotes.com

    Aug 3, 2023Domain Eukarya. Eukarya is the only domain that represents multicellular, nucleated, and visible organisms with distinct membrane-bound cell organelles although single-celled eukarya also exist. These lack peptidoglycan in their cell envelope and have distinct rRNA from bacteria and archaeans. The presence of a double-membrane nucleus with ...
  7. library.fiveable.me

    Eukarya refers to one of the three primary domains of life, which includes all organisms whose cells contain a nucleus and other membrane-bound organelles. This domain encompasses a diverse array of life forms, ranging from single-celled organisms like protists to multicellular organisms such as plants, animals, and fungi. Understanding Eukarya is crucial for studying evolutionary ...
  8. biologysimple.com

    Apr 4, 2024Evolutionary History. The evolutionary history of eukaryotes, the domain of life encompassing organisms with complex cell structures, is an intriguing subject that provides important insights into the origins of diverse life forms on Earth. Understanding the origins of eukaryotes is crucial to unraveling the complexities of biological evolution and the relationships between different organisms.
  9. library.fiveable.me

    Eukarya have linear DNA enclosed within a nuclear membrane. Unlike prokaryotes, eukaryotes have complex cellular structures including mitochondria and chloroplasts. Eukaryotic cells can be unicellular or multicellular. The domain Eukarya is divided into four kingdoms: Animalia, Plantae, Fungi, and Protista. ...

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