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5 Written questions

5 Matching questions

  1. cytokinesis
  2. keystone species
  3. selectively permeable
  4. speciation
  5. trophic level
  1. a a property of cell membranes that allows some substances to pass through, while others cannot
  2. b the formation of new species as a result of evolution
  3. c feeding level in an ecosystem
  4. d division of the cytoplasm
  5. e a species that influences the survival of many other species in an ecosystem

5 Multiple choice questions

  1. a model of evolution in which gradual change over a long period of time leads to biological diversity
  2. genetic cross using two traits with two alleles each
  3. materials found in nature that are used by living things
  4. science dealing with the earth's history as recorded in rocks
  5. the cycle of growth and reproduction of a cell, consisting of interphase (g1, s, g2) and mitosis (division of the nucleus-prophase, metaphase, anaphase, and telophase) and cytokinesis (division of cytoplasm)

5 True/False questions

  1. primary consumerconsumer that feeds directly on producers


  2. prophasefirst and longest phase of mitosis, during which the chromosomes become visible and the centrioles separate and take up positions on the opposite sides of the nucleus


  3. cella mature fertilized plant ovule consisting of an embryo and its food source and having a protective coat


  4. pollutionthe struggle between organisms to survive in a habitat with limited resources


  5. base insertionan interaction in which one organism captures and feeds on another organism