The effects of keystone species on the ecosystem are disproportionate relative to their abundance in the ecosystem. When they are removed from the ecosystem, it often collapses.
Standard detail
8.6.B.1
Depth 3Parent ID: 58CCEC71AF114A7C9957F9C9285CCF1DStandard set: AP Biology (2025)
Original statement
Quick facts
- Statement code
- 8.6.B.1
- List ID
- 1
- Standard ID
- 471F6D2481C44CC786DDF07DC1126A84
- Subject
- AP Biology
- Grades
- 09, 10, 11, 12
- Ancestor IDs
- 58CCEC71AF114A7C9957F9C9285CCF1D3D219C55147C4982AFFD7DAE3402EE3152394CBA92B64BF48228187E977BCE03
- Source document
- AP® Biology COURSE AND EXAM DESCRIPTION Effective Fall 2025
- License
- CC BY 4.0 US