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8 questions
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  • Q1
    Which two factors could lead to the evolution of a species over time?
    overproduction of offspring and no variation
    struggle for survival and fossilization
    changes in the genes of body cells and extinction
    changes in the genes of sex cells and survival of the fittest
    60s
    4.3
  • Q2
    Scientists at Penn State have sequenced the DNA of the extinct woolly mammoth. The data suggested that the woolly mammoth was more closely related to present-day elephants than previously believed. Which statement could account for the similarities between the woolly mammoth and present-day elephants?
    Question Image
    Both animals have identical genetic information.
    Common gene mutations were caused by agents such as industrial chemicals and radiation.
    Selective breeding results in offspring better able to survive.
    Present-day species developed from earlier, different species.
    60s
    4.3
  • Q3
    In addition to the appearance of the antifreeze gene, icefi sh have also been found to have DNA sequences similar to the DNA sequences in hemoglobin genes of other fi sh species. However, these DNA sequences are not complete and therefore not functional in icefi sh. This evidence makes it likely that
    Question Image
    icefish ancestors had hemoglobin
    icefish will soon produce offspring with hemoglobin
    hemoglobin is a molecule made by some fish that do not have genes for it
    soon all fish will stop producing hemoglobin
    60s
    4.3
  • Q4
    Genetic recombination, production of more offspring than can survive, and struggling with the challenges of the environment are all concepts associated with
    selective breeding
    genetic engineering
    mitotic division
    natural selection
    60s
    4.3
  • Q5
    An example of a population in which evolution could take place in a relatively short period of time could be
    oak trees in a stable ecosystem
    pathogenic bacteria exposed to antibiotics
    elephants living in a wildlife preserve
    algae grown under constant conditions
    60s
    4.3
  • Q6
    Butterflies exposed to radiation leaking from a damaged nuclear power plant in Japan have been observed to have malformed legs, antennae, and wings. For future butterfly generations to have these similar structural abnormalities, gene mutations must be present in the affected butterflies'
    body cells
    wing cells
    antenna cells
    sex cells
    60s
    4.3
  • Q7
    The process of sexual reproduction is an important part of the process of evolution. One reason for this is that meiosis and fertilization directly produce many new
    variations
    species
    antigens
    pathogens
    60s
    4.3
  • Q8
    This behavior continues to be present in the rabbitfish population because
    Question Image
    both fish could not fit into the small spaces in the coral
    the fish species needed to become alert to survive
    this behavior was learned by observing other fish species
    this behavior increases their chance of survival
    60s
    4.3

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