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Bio II Fall Final

Quiz by 7-12 Sped

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25 questions
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  • Q1
    Which of the following organs is most likely to arise from the endoderm?
    muscle skin
    stomach
    30s
  • Q2
    Which of the following types of cleavage can result in the formation of twins?
    indeterminate
    determinate
    spiral
    30s
  • Q3
    Spina bifida is a birth defect designated by the incomplete closing of the spinal cord. The disorder occurs early in embryonic development and specifically affects the neural tube (which creates the brain and spinal cord). Which germ layer is most affected by spina bifida?
    there is not enough information
    ectoderm
    endoderm
    30s
  • Q4
    Which of the following is not a characteristic of deuterostomes?
    the blastopore forms the anus
    it undergoes spiral cleavage
    it undergoes indeterminate cleavage
    30s
  • Q5
    Which of the following terms applies only to organisms with bilateral symmetry?
    gastrulation
    cephalization
    pseudocoelom
    30s
  • Q6
    Which term best explains the presence of a multitude of different types of cells in an organism?
    specialization
    reproduction
    cephalization
    30s
  • Q7
    Some animals form a head. If a head develops, which side of the animal's body will the head always appear?
    dorsal
    posterior
    anterior
    30s
  • Q8
    Earthworms are known for possessing a nerve cord that runs along the lower portion of the animals' bodies. Which of the following terms is an appropriate name for this nerve cord?
    ventral nerve cord
    anterior nerve cord
    dorsal nerve cord
    30s
  • Q9
    Which of the following is indicative of a closed circulatory system?
    integument
    gills
    blood vessels
    30s
  • Q10
    Which of the following organisms is a protostome?
    bear
    trout
    squid
    30s
  • Q11
    An organism is born with osteogenesis imperfecta which causes bones to be brittle and prone to fracturing. Improper development of which germ layer may cause this genetic defect?
    endoderm
    ectoderm
    mesoderm
    30s
  • Q12
    An organism is discovered that contains 3 hearts. Instead of blood, the organism contains lymph that is pushed through a large centralized chamber. Which of the following is true of this organism?
    it has a closed nervous system
    it has an open circulatory system
    it undergoes direct development
    30s
  • Q13
    Which of the following organisms does not undergo cephalization?
    sponge
    horse
    octopus
    30s
  • Q14
    Place the following stages of development into the correct order starting with the earliest.
    gastrul a- zygote - blastula
    zygote - blastula - gastrula
    blastula - zygote - gastrula
    30s
  • Q15
    Which type of animal symmetry is described as having one line of symmetry along a central plane?
    asymmetry
    bilateral
    duolateral
    30s

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