BIOS 390 Exam 1 Vocab

EXAM ELABORATIONS Aug 29, 2025
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BIOS 390 Exam 1 Vocab

  • "crustaceans" (paraphyletic)
  • –Answer Traditionally, all the arthropods that are not in- sects or chelicerates. Paraphyletic assemblage containing things as diverse as barnacles and pillbugs (isopods) as well as crabs and lobsters.

  • worm
  • –Answer general term describing any animal with a more or less elongated body form. They are in many different taxonomic

  • Acanthocephala
  • –Answer Formal name of the thorny-headed worms; comes from Greek thorns + head

  • amebic dysentery
  • –Answer potentially life-threatening bloody diarrhea caused by Enta- moeba and similar protists

  • amoeba
  • –Answer any protist showing amoeboid motion - very general term

  • annelid
  • –Answer Members of Phylum Annelida, including earthworms and leeches. These are segmented animals with excretory organs in each segment plus a single con- tinuous gut and circulatory system.

  • anthroponotic
  • –Answer transmitted from humans to humans

  • apicomplexan
  • –Answer Group of protists all having an "apical complex" structure visible using electron microscopy; used for invading host cells. Plasmodium is only one of many parasite genera in this group. 1 / 2

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  • Archaea
  • –Answer A domain of prokaryotic organisms

  • arthropods
  • –Answer A large animal group, usually given Phylum taxonomic rank, shar- ing exoskeletons, true coelom, and jointed legs; includes ticks and their relatives, insects and their kin, and crustaceans like lobsters and crayfish.

  • Bacteria
  • –Answer A domain of prokaryotic organisms

  • bacteriocyte
  • –Answer a eukaryote cell with (current) bacterial inclusions, often the hous- ing for a mutualistic relationship

  • cell
  • –Answer a live entity with genetic information suitable for replication, surrounded by an outer phospholipid bilayer membrane. [Some are specialized to be unable reproduce individually, and some are surrounded by extra cell wall structures in addition to the membrane.]

  • cellular immunity
  • –Answer Usually refers only to vertebrate immunity; that immunity based on T lymphocytes

  • Cestoda
  • –Answer A class within the flatworms –Answer these are the tapeworms. Adult stages generally in vertebrates, with an anchoring scolex and a long chain of reproductive segments

  • chelicerates
  • –Answer A subphylum within the arthropods distinguished by chelicerae; includes spiders, ticks, and "horseshoe crabs" but not true crabs.

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Category: EXAM ELABORATIONS
Added: Aug 29, 2025
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SUBSCRIBE BIOS 390 Exam 1 Vocab 1. "crustaceans" (paraphyletic) –Answer Traditionally, all the arthropods that are not in- sects or chelicerates. Paraphyletic assemblage containing things as dive...

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