Michelle's Biology (:

4.10 Describe the stages in the nitrogen cycle, including the roles of nitrogen fixing bacteria, nitrifying bacteria and denitrifying bacte...

4.9) describe the stages in the carbon cycle, including respiration, photosynthesis, decomposition and combustion Components of cycle: 1. ...

4.14) understand how an increase in greenhouse gases results in an enhanced greenhouse effect and that this may lead to global warming and i...

4.13) understand how human activities contribute to greenhouse gases Burning of fossil fuels (from factories and vehicles/ industrial proce...

4.12 recall that water vapor, carbon dioxide, nitrous oxide, methane and CFCs are greenhouse gases UV light came from sun ---- short wa...

4.11 understand the biological consequences of pollution of air by sulphur dioxide and by carbon monoxide 1. Sulphur dioxide - SO2 gas add...

Pyramid of Energy: Only 10% of energy from each trophic level would be transferred to the next trophic level. For example, the grass has 10...

Understand the transfer of substances and of energy along a food chain Energy and substances in food chains are being transferred from pr...