The carbon cycle involves recycling carbon atoms through Earth’s biosphere into organisms as carbohydrates and back into the atmosphere as carbon dioxide ( ) CO2 . At the highest levels of organization, the carbon cycle can be simplified into four parts: photosynthesis, cellular respiration, decomposition, and combustion.
Standard detail
8.2.B.5
Depth 3Parent ID: DB0BCF3A26544E448479B49A0F3194ACStandard set: AP Biology (2025)
Original statement
Quick facts
- Statement code
- 8.2.B.5
- List ID
- 5
- Standard ID
- C690B2CB303E4EC6B5A1BBC4FA892DCA
- Subject
- AP Biology
- Grades
- 09, 10, 11, 12
- Ancestor IDs
- DB0BCF3A26544E448479B49A0F3194AC254561FDCA5147FCB2D065A59710779F52394CBA92B64BF48228187E977BCE03
- Source document
- AP® Biology COURSE AND EXAM DESCRIPTION Effective Fall 2025
- License
- CC BY 4.0 US