explain the importance of maintaining a relatively constant pH in a living system; e.g., the role of the hydrogen carbonate ion in maintaining the pH of blood, the evolution of the Arctic herb Artemisia tilesii in resisting acidic moisture by extracting calcium from the soil and pumping the calcium to its leaves
Standard detail
12.B.1.1.e
Depth 3Parent ID: B54E1B29977A4FCC88BE90EBF8502F5BStandard set: Grade 12 - Science 30 (2014)
Original statement
Quick facts
- Statement code
- 12.B.1.1.e
- List ID
- e
- Standard ID
- 6773784D72EB4D88A59856939B0F5C26
- Subject
- Science (1996, 2003, 2006, 2014)
- Grades
- 12
- Ancestor IDs
- B54E1B29977A4FCC88BE90EBF8502F5BC6DF850FBDE44B4E923D95D25EAE93E743E776F265BE4F9AA20BB41D4B6003EF
- Source document
- Grade 12 - Science 30 (2014)
- License
- CC BY 4.0 US