small things to remember for APES

Cards (11)

  • What does the O Horizon consist of?
    Organic/dying material
  • What is the E Horizon known as?
    Precipitation layer
  • What is found in the A Horizon?
    Topsoil and minerals
  • What does the B Horizon represent?
    Parent rock
  • What is Net Primary Productivity?
    The consumption of energy by organisms
  • How is Gross Primary Productivity defined?
    The release of energy through photosynthesis
  • Why does tropical rainforest soil have low nutrient levels?
    Due to competition for nutrients in the area
  • What are the characteristics of a Bioreal?
    Cold temperatures and nutrient-poor soil
  • What are the layers of soil horizons in order from top to bottom?
    1. O Horizon - Organic/dying material
    2. E Horizon - Precipitation layer
    3. A Horizon - Topsoil + minerals
    4. B Horizon - Parent Rock
  • What is the difference between Net Primary Productivity and Gross Primary Productivity?
    • Net Primary Productivity: Consumption of energy by organisms
    • Gross Primary Productivity: Release of energy through photosynthesis
  • Rapid Growth: lots of birth
    Slow Growth: less elders than children (like a triangle) 
    Stable Growth: Zero growth
    Declining Growth: larger older population

    Total Fertility: Births woman has in her lifetime during age specific fertility