Quiz 18

Quiz 18 Questions

  1. Approximately how many now-useless man-made objects larger than 10 centimetres currently orbit the Earth? a) 900, b) 19,000, c) 500,000, d) Over one million.
  2. How long can turtles stay underwater?
  3. True or False. The world?s oldest living individual tree is older than the pyramids.
  4. What poisonous chemical is found in almonds?
  5. Where do cane toads (Bufo marinus)) naturally occur?

Quiz Answers

  1. b. You’re unlikely to get hit on the head by this space debris – they will likely burn up in the atmosphere upon re-entry, and are routinely tracked by ground radar.
  2. Up to two hours. When in hibernation some species can stay underwater for up to five months by breathing through their bottoms.
  3. True. The world’s oldest tree is over 4000 years old, and lives over 3000 meters above sea level. It is located in the Inyo National Forest in California, but its exact location is kept secret.
  4. Hydrogen cyanide (only found in wild forms – cultivated almonds don’t have it).
  5. Southern USA and the tropics of South America. The Australian Government has recently drafted a plan to help reduce the impact of cane toads on native species and better communicate the effects of cane toads on native ecological communities.