Carbon Cycle, Eco System, Food chains and communities YEAR 9 GCSE END OF TERM TEST

Carbon cycle
1. Everything is made of carbon
2. Recycled through various processes
  1. Respiration
  2. Combustion
  3. Photosynthesis
3. Carbon Increase
  1. Combustion
    1. Slash/burn (cutting down and burning rainforests
    2. Power Stations releasing CO2 into air
  2. Respiration
    1. Animals
    2. Trees
4. Carbon Decrease
  1. Photosynthesis
    1. 6CO2 + 6H2O → C6H1206 + 6O2
  2. Colder water holds more CO2
5. continuous cycle of carbon being released and taken back from the atmosphere
  1. The exchange of carbon through the atmosphere
An ecosystem is the location (pond, desert)
1. an interacting group of various species in a common location
2. Biotic
  1. lliving
3. Abiotic
  1. Non-living
Food Chains
Competition is the struggle between different species for the same limited rescource

Resource summary

	Created by Sam Manesh about 8 years ago