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6th grade Science Test 3

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  • The spiders that spends its entire life underwater
    water spider
  • All insects have 3 pairs of
    legs
  • The spider that is the largest in the world is the
    tarantula
  • The spider that weaves a sheet web on a small portion of the ground is the
    platform
  • _____% of all arthropods belong to the class of insects
    90
  • Spiders have 2 distinct body regions, an abdomen and a
    cephalothorax
  • the processs in which an insect sheds its external skeleton known as
    molting
  • Scientists who study insects
    Entomologists
  • An animal that is active at night is called
    nocturnal
  • The process of arranging animals or other things into groups according to their similarities is called
    classification
  • A parasite that may cause mange in animals or scabies in humans
    mite
  • Most insects undergo a transformation in appearance known as
    metamorphosis
  • Spiders breathe by means of
    book lungs
  • Spiders have ______ legs
    8
  • many young spiders leave the nest by sailing away on silk strands, a practice called
    ballooning
  • The tiny hairs on a spiders body that are very sensitive to vibrations are called
    setae
  • an invertebrate that has an external Skelton, a segmented body, and jointed appendages is
    arthropod
  • The tough material from which the external Skeleton is made is called
    chitin
  • an arachnid that has a long tail with poisonous, needlelike point on the end
    scorpion
  • a useful arachnid with one body section; eight long legs, and an appetite for plant lice and other insect pests
    harvestman or daddy longlegs
  • Why are Latin and Greek used for the scientific names of animals?
    Common language
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