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12 questions
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  • Q1
    A student collected the animal shown below on a field trip. The student used a dichotomous key and a microscope to classify the animal. How should this animal be classified?
    Question Image
    Mollusca
    Platyhelminthes
    Annelida
    Arthropoda
    60s
    BIOL.8b
  • Q2
    Arthropods are joint-legged animals. Spiders, crabs, pill bugs, centipedes, and millipedes are examples of the many types of arthropods. Which of these arthropods are most closely related?
    Arthropods of the same family
    Arthropods of the same genus
    Arthropods of the same species
    Arthropods of the same class
    60s
    BIOL.8b
  • Q3
    Using a light microscope, a student identified the following characteristics of four organisms found in a sample of pond water. Based on the observations of the student, which organisms most likely belong to the taxonomic group for bacteria?
    Question Image
    Organisms 1 and 2
    Organisms 1 and 4
    Organisms 2 and 3
    Organisms 3 and 4
    60s
    BIOL.8b
  • Q4
    The diagram shows a dichotomous key and a picture of a fruit. According to the key, the fruit comes from which species of tree?
    Question Image
    Acer platanoides
    Fraxinus americana
    Acer negundo
    Fraxinus nigra
    60s
    BIOL.8b
  • Q5
    Frogs and toads belong to the order Anura. The smallest organism in this order is about 7 millimeters long, while the largest member is about 30 centimeters long. Which of these lists best describes this order?
    Answer Image
    Answer Image
    Answer Image
    Answer Image
    60s
    BIOL.8b
  • Q6
    A cladogram is shown below. All the animals to the right of the hagfish would have the common characteristic of -
    Question Image
    claws or nails
    jaws
    fur
    lungs
    60s
    BIOL.8b
  • Q7
    While visiting a national park, a student encounters an unfamiliar organism in a damp area near a body of water. The student notes that the organism is about 10 cm long, has four legs, and has a tail. The organism is black with small white spots on its smooth, moist skin. It also appears to have an internal skeletal system. To which class does the organism most likely belong?
    Amphibia
    Reptilia
    Insecta
    Mammalia
    60s
    BIOL.8b
  • Q8
    This dichotomous key can be used to identify some conifers. Based on the key, which of these best describes the leaves and cones of the longleaf pine?
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    Flattened and scale-like leaves that are mostly over 25 cm long; soft and leathery cones
    Needle-like straight leaves with a length of 25 cm that are mostly found in clusters of five; thorny cones
    Leaves with a length of 25 cm that are found in clusters of more than five; no thorns on cones
    Needle-like straight leaves that are mostly over 25 cm long and found in clusters of three; no thorns on cones
    60s
    BIOL.8b
  • Q9
    Simple leaves have a single leaf on a petiole, or stem, while compound leaves have more than one leaflet on a petiole. This unknown leaf can be identified using the dichotomous key. Which tree does the unknown leaf come from?
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    Ungnadia speciosa
    Salix nigra
    Sophora secundiflora
    Quercus laceyi
    60s
    BIOL.8b
  • Q10
    The classifications of four trees are shown in the table. Which two trees are the most closely related?
    Question Image
    Lodgepole pine and Japanese maple
    Japanese maple and Taiwan beech
    Taiwan catkin yew and lodgepole pine
    Taiwan beech and Taiwan catkin yew
    60s
    BIOL.8b
  • Q11
    A student used a microscope to study four members of the phylum Ciliophora. Members of this phylum move when propelled by hundreds of tiny cilia. Although these organisms belong to the same phylum, they are classified as different -
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    families
    orders
    kingdoms
    species
    60s
    BIOL.8b
  • Q12
    The relationships among different orders of millipedes are shown in the cladogram.Based on this cladogram, which statement best describes relationships among millipede orders?
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    Polyzoniida is more closely related to Glomeridesmida than Sphaerotheriida is to Glomeridesmida.
    Merocheta is more closely related to Glomeridesmida than Glomerida is to Glomeridesmida.
    Spirostreptida is more closely related to Glomerida than Sphaerotheriida is to Glomerida.
    Stemmiulida is more closely related to Merocheta than Penicillata is to Merocheta.
    60s
    BIOL.8b

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