Bugs Test 1

Card Set Information

Bugs Test 1
2012-09-12 03:47:29
entomology arthropods

The chapter 1 study questions for the 1st test at the University of Arizona
Show Answers:

  1. Why are biologists interested in, and have questions about individual animals and their individual characteristics, when we know species are made up of a population or populations of individuals?
  2. What are “why” questions (Bob’s favorite) about when applied to biology?
    Applied to function
  3. What are how questions about when applied to biology?
    Process and mechanisms
  4. What are when questions about when applied to biology?
    Time: Season, day, hours
  5. Why do male hoverflies hover and not female hoverflies?
    To attract a mate!
  6. What do female hoverflies do when male hoverflies are hovering?
    Sniff flowers
  7. Why do male hoverflies spend a lot of time on flowers?
    Collecting pollen
  8. What is a terrestrial Arthropod
    • Animals with:
    • Exo-skeletons
    • jointed appendages
    • live on land or in fresh water
  9. What is some evidence that terrestrial arthropods possess the secrets of success?
    • More species than any other group of animals
    • Do EVERYTHING and are more versatile
    • Use every possible resource
    • numbers and biomass exceed all other animals combined.
  10. How many insects are alive on the planet earth at any given time?
    • 10 Quintrillion
    • (19 zeros)
  11. What is organic evolution?
    The process of the slow changes that occur in living things. It explains the origin, diversification, and history of life on the planet Earth. It is the unifying thread that ties all of biology together.
  12. What is the age of the planet earth?
    4.6 billion years old
  13. When did the first insects appear on earth?
    410 million years ago
  14. How old are we (Homo sapiens)?
    • 200,000 years old physically, 50,000
    • culturally
  15. How old are the mammals?
    210 million years
  16. When did the first arachnids appear on earth?
    Silurian Period
  17. What is the operational definition of natural selection?
    The force overwhelmingly responsible for the origin and nature of life on planet Earth.
  18. What does the silver-ground carpet moth eat?
  19. How many arthropod classes are there (including the extinct ones)?
  20. What two arthropod classes contain most of the terrestrial arthropods?
    Hexapod and Arachnida
  21. How many marine arthropod classes are there (including the extinct ones)?
  22. What arthropod classes are extinct?
  23. What arthropod classes are referred to as living fossils?
    Horseshoe Crab
  24. What arthropod classes are represented by animals with more than 20 legs?
    • Diplopoda (millipedes)
    • Chilopoda (centipedes)
  25. What was the largest terrestrial arthropod of all time?
    Millipede, 8.5 feet long
  26. How large was the largest terrestrial arthropod of all time?
    8.5 feet
  27. Where most of the terrestrial crustraceans are found (i.e. their habitat)?
    ROLY POLY! Dark, damp areas
  28. What terrestrial crustacean was found as a fossil in the Petrified Forest National