Module 11 USU 1350

Card Set Information

Author:
meme99
ID:
151855
Filename:
Module 11 USU 1350
Updated:
2012-05-03 23:56:17
Tags:
USU 1350
Folders:

Description:
Biodiversity
Show Answers:

Home > Flashcards > Print Preview

The flashcards below were created by user meme99 on FreezingBlue Flashcards. What would you like to do?


  1. Definition of Biodiversity:
    all of the plants and animals in an area
  2. T/F Biodiversity is also known as species richness
    TRUE
  3. Is scale important in biodiversity?
    YES
  4. Do we need to consider the interactions in biodiversity?
    YES
  5. Are levels of diversity important?
    YES!
  6. Name three levels of biodiversity:
    • Genetic- within a species
    • Species- basic unit for study
    • ecosystem- between species
  7. 3 Reasons to maintain biodiversity:
    • Ethical/Aesthetic
    • economic benefits
    • ecological interactions
    • - all of these are connected
  8. These are the ethical/aesthetic reasons:
    Human moral obligation
    humans are part of the system
    lack of understanding of system
    TRUE
  9. Economic benefits:
    domesticated stock came from wild
    plants and animals
    medicines
    food-fish
    natural products- wood
    TRUE
  10. Ecological interactions:
    oxygen cycle
    nitrogen cycle
    hydrolic cycle
    pollination
    soil formation
    decomposers
    TRUE- human need all of these interactions
  11. What is the most biodiverse place on earth?
    Tropical rainforest
  12. Less than ____ % of the earth is covered with rainforest and home to over ____ % of the world species
    6% and 50%
  13. The United States only make up ____% of the world population yet takes up ____% of the world's resources
    5%, 25%
  14. Keystone species:
    species that are critical to ecosystems
  15. T/F Humanity has raised the extinction rate from 1 per million to 100-1000 per million per year
    TRUE

What would you like to do?

Home > Flashcards > Print Preview