_____1. In gametic meiosis, gametes are formed by:

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• _____1. In gametic meiosis, gametes are formed
  by
• A. gametophytes. B. haploid organisms. C.
  meiosis. D. mitosis. E. sporophytes.
• _____2. According to a very popular hypothesis,
  mitochondria and chloroplasts are thaught to have
  evolved by
• A. eukaryotic invasion. B. extreme
  thermophiles living within methanogens.
• C. serial endosymbiosis. D. simultaneous
  exosymbioses. E. spontaneous generation.
• _____3. Which of the following are always
  diploid?
• A. gametes. B. gametophytes. C. meiospores.
  D. multicellular organisms. E.
  sporophytes
• _____4. The smallest of all living cells,
  bacteria without cell walls, are the
• A. cyanobacteria. B. methanogens. C.
  mycoplasmas. D. myxospores. E. purple
  bacteria.
• _____5. Fusion of cell parts other than the
  nucleus is called
• A. fertilization. B. karyogamy. C. meiosis.
  D. mitosis. E. plasmogamy.
• _____6. In the scientific name, Escherischia
  coli, coli is the
• A. author. B. form. C. genus. D.
  specific epithet. E. subspecies.