Chapter 1: A Universe of Life?

1. | The portrayal of nearly all aliens in movies and on TV as being humanoid is | A) | based on the fact that it would be impossible for us to understand anything that wasn't very similar to a human | B) | realistic because the human form has several unique qualities that make it a good choice for any advanced civilization | C) | based on the fact that the human form is the only possible form for an advanced civilization | D) | probably unrealistic because the human form is most likely a result of the particular conditions and events that occurred on the Earth |

2. | Extraterrestrial life elsewhere in the universe | A) | will be unrecognizable | B) | could be similar to life on Earth or might be completely different | C) | will be identical to life on Earth | D) | will be completely different than life on Earth |

3. | Extraterrestrial life is defined to be | A) | life found beyond the Earth which is based on the same biology and chemistry as life on Earth | B) | advanced life forms that have visited the Earth | C) | any kind of life found beyond the Earth | D) | advanced life found on Earth-like planets around other stars |

4. | If life is eventually found in the solar system, it will most likely be in the form of | A) | microbes | B) | plants | C) | animals | D) | little green men and women |

5. | Recently astronomers have gained concrete evidence that, in addition to being full of stars, the universe is also full of | A) | dark matter | B) | galaxies | C) | life | D) | planets |

6. | The search for life in the universe | A) | is related most closely to astronomy | B) | is related most closely to biology | C) | is influenced by almost every other branch of science | D) | is a unique branch of science, unrelated to any other branch |

7. | Which three