describe the geologic evidence (stromatolites) and scientific explanations for change in atmospheric composition, with respect to oxygen and carbon dioxide, from anoxic conditions to the present, and describe the significance to current biosphere equilibrium.
Standard detail
20-A3.3k
Depth 3Parent ID: EFBCB418CD8F4F26882EF3A0FA8DE1E5Standard set: Grade 11 - Biology 20 (2014)
Original statement
Quick facts
- Statement code
- 20-A3.3k
- List ID
- 20-A3.3k
- Standard ID
- 24E7970BDAF743A29C0F81B8A71E7653
- Subject
- Science (1996, 2003, 2006, 2014)
- Grades
- 11
- Ancestor IDs
- EFBCB418CD8F4F26882EF3A0FA8DE1E541F7816852AC4839A2C17F29F08B75D4030487CCF2A64F25AD9A1464A463537A
- Source document
- Alberta Programs of Study
- License
- CC BY 4.0 US