ACE REVISION KIT
  • Notes
    • Edexcel Science >
      • Biology >
        • B1: The Nature and Variety of Living Organisms
        • B2) Structure and Functions in Living Organisms
        • B3) Reproduction and Inheritance
        • B4) Ecology and the Environment
        • B5) Use of Biological Resources
      • Chemistry >
        • C1) Principles of Chemistry
        • C2) Inorganic Chemistry
        • B3) Physical Chemistry
        • C4) Organic Chemistry
      • Physics >
        • C1) Forces and motion
        • C2) Electricity
        • C3) Waves
        • C4) Energy resources and energy transfers
        • C5) Solids, liquids and gases
        • C6) Magnetism and electromagnetism
        • C7) Radioactivity and particles
        • C8) Astrophysics
    • CIE Mathematics
    • CIE Science >
      • Biology >
        • B0: Keywords
        • B1: Characteristics of Living Organisms
        • B2: Cells
        • B3: Biological Molecules
        • B4: Enzymes
        • B5: Plant Nutrition
        • B6: Animal Nutrition
        • B7: Transport
        • * B8 Diseases and Immunity
        • B9: Gas Exchange and Respiration
        • * B10: Excretion in Humans
        • B11: Coordination and Response
        • * B12: Drugs
        • B13: Reproduction
        • B14: Inheritance
        • B15: Organisms and Their Environment
        • * B16: Biotechnology
        • B17: Human Influences on Ecosystem
        • Biological Drawing
      • Chemistry >
        • C0: Keywords
        • C1: The Particulate Nature of Matter
        • C2: Experimental Techniques
        • C3: Atoms, Elements and Compounds
        • C4: Stoichiometry
        • C5: Electricity and Chemistry
        • * C6: Chemical energetics
        • C7: Energy Changes in Chemical Reactions
        • C8: Chemical reactions
        • C9: Acid, Bases and Salts
        • C10: The Periodic Table
        • C10: Metals
        • C11: Air and Water
        • C13: Sulfur
        • C14: Carbonates
        • C15: Organic Chemistry
      • Physics >
        • P0: Keywords
        • P1: General Physics
        • P3: Thermal Physics
        • P2: Work, Energy, Power
        • P4: Properties of Waves, Light & Sound
        • P5: Electricty and Magnetism
        • P6: Electric Circuits
        • P7: Electromagnetic Effects
        • P8: Atomic Physics
    • iPSLE Science >
      • Diversity
      • Cycles
      • Systems
      • Interactions
      • Energy
      • Type of Exam Qs
  • Past Papers
  • Type of Exam Qs
  • Calculator Techniques
    • Casio fx-96SG PLUS >
      • Solve Simultaneous Equations
      • Solve Quadratic Equation
      • Calculate Statistics
  • Formulas
    • Mathematics
    • Additional Mathematics
    • Physics
  • Contact

The Organism in the Environment

1) Understand the terms population, community, habitat and ecosystem
* 2) Understand the term Biodiversity
3) Understand how Abiotic and Biotic Factors affect Population Size and Distribution

feeding relations

4) Understand the names given to different Trophic Levels
5) Understand the concepts of Food Chain, Food Webs, Pyramid of Numbers, Biomass and Energy Transfer 
6) Understand the Transfer of Substances and Energy along a Food Chain
7) Understand why only 10% of Energy is Transferred across Trophic Levels

cycles within ecosystem

8) Describe the Stages in Carbon Cycle
* 9) Describe the stages in the Nitrogen Cycle

human influences on the environment

10) Understand the Biological Consequences of Pollution of Air by Sulfur Dioxide and Carbon Monoxide
11) Understand how Human Activities Contribute to Greenhouse Gases
12) Understand the Biological Consequences of Pollution of Water by Sewage
13) Understand the Biological Consequences of Eutrophication caused by leached Minerals from Fertilisers
* 14) Understand the Effects of Deforestation
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  • Notes
    • Edexcel Science >
      • Biology >
        • B1: The Nature and Variety of Living Organisms
        • B2) Structure and Functions in Living Organisms
        • B3) Reproduction and Inheritance
        • B4) Ecology and the Environment
        • B5) Use of Biological Resources
      • Chemistry >
        • C1) Principles of Chemistry
        • C2) Inorganic Chemistry
        • B3) Physical Chemistry
        • C4) Organic Chemistry
      • Physics >
        • C1) Forces and motion
        • C2) Electricity
        • C3) Waves
        • C4) Energy resources and energy transfers
        • C5) Solids, liquids and gases
        • C6) Magnetism and electromagnetism
        • C7) Radioactivity and particles
        • C8) Astrophysics
    • CIE Mathematics
    • CIE Science >
      • Biology >
        • B0: Keywords
        • B1: Characteristics of Living Organisms
        • B2: Cells
        • B3: Biological Molecules
        • B4: Enzymes
        • B5: Plant Nutrition
        • B6: Animal Nutrition
        • B7: Transport
        • * B8 Diseases and Immunity
        • B9: Gas Exchange and Respiration
        • * B10: Excretion in Humans
        • B11: Coordination and Response
        • * B12: Drugs
        • B13: Reproduction
        • B14: Inheritance
        • B15: Organisms and Their Environment
        • * B16: Biotechnology
        • B17: Human Influences on Ecosystem
        • Biological Drawing
      • Chemistry >
        • C0: Keywords
        • C1: The Particulate Nature of Matter
        • C2: Experimental Techniques
        • C3: Atoms, Elements and Compounds
        • C4: Stoichiometry
        • C5: Electricity and Chemistry
        • * C6: Chemical energetics
        • C7: Energy Changes in Chemical Reactions
        • C8: Chemical reactions
        • C9: Acid, Bases and Salts
        • C10: The Periodic Table
        • C10: Metals
        • C11: Air and Water
        • C13: Sulfur
        • C14: Carbonates
        • C15: Organic Chemistry
      • Physics >
        • P0: Keywords
        • P1: General Physics
        • P3: Thermal Physics
        • P2: Work, Energy, Power
        • P4: Properties of Waves, Light & Sound
        • P5: Electricty and Magnetism
        • P6: Electric Circuits
        • P7: Electromagnetic Effects
        • P8: Atomic Physics
    • iPSLE Science >
      • Diversity
      • Cycles
      • Systems
      • Interactions
      • Energy
      • Type of Exam Qs
  • Past Papers
  • Type of Exam Qs
  • Calculator Techniques
    • Casio fx-96SG PLUS >
      • Solve Simultaneous Equations
      • Solve Quadratic Equation
      • Calculate Statistics
  • Formulas
    • Mathematics
    • Additional Mathematics
    • Physics
  • Contact