1.6 Waste Materials from Plants and Animals Flashcards
1
Q
What process causes elements to cycle back to the start of the food chain?
A
Decay
2
Q
What conditions cause microorganisms to work best
A
Warm, moist, aerobic conditions
3
Q
What causes materials to decay?
A
Microorganisms breaking down materials by digesting them
4
Q
What is the carbon cycle?
A
The constant cycling of the carbon cycle. How carbon moves out of the atmosphere and into the atmosphere
5
Q
How is carbon removed from the atmosphere?
A
Photosynthesis of green plants and algae
6
Q
How is carbon put into the atmosphere? (4)
A
- Combustion of fossil fuels
- Combustion of products made from plants/animals
- Decay of dead animals/plants
- Respiration of plants/animals
7
Q
A
