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  • Platyhelminthes - Examples, Characteristics, Species, Habitat
    Platyhelminthes, commonly known as flatworms, are a diverse phylum of simple, bilaterally symmetrical, and unsegmented invertebrates They exhibit a dorsoventrally flattened body and include free-living forms like planarians, as well as parasitic species such as tapeworms and flukes
  • Fauna of West Virginia - Wikipedia
    Many common insects of the Eastern United States can be found in West Virginia; 15 species of beetles, more than 70 species of odonate, 12 species of stonefly, and about 17 moth species Other invertebrates include some 18 species of spider and a little over seven dozen species of cave-dwellers
  • Paleozoic Era: Facts Information - Live Science
    The Paleozoic Era, which ran from 541 million to 251 9 million years ago, was a time of great change on Earth The era began with the breakup of one supercontinent and the formation of another
  • Ethics and Invertebrates: The Problem Is Us - PMC
    In the last few decades, science has begun to make great strides at understanding how varied, fascinating, and intelligent invertebrate animals are Because they are poorly known, the invertebrates that make up about 98% of the animals on the planet have been overlooked
  • The Four Eras of the Geologic Time Scale - ThoughtCo
    John Cancalosi Getty Images Precambrian time started at the beginning of the Earth, 4 6 billion years ago For billions of years, there was no life on the planet
  • Snakes, facts and information - National Geographic
    Of the 3,000 known species of snakes, only a fraction can actually kill you Snakes eat all sorts of animals, from small mammals and small fish to larger prey up to three times larger than the


















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