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