Natural selection occurs only if there is both (1) variation in the genetic information between organisms in a population and (2) variation in the expression of that genetic information — that is, trait variation — that leads to differences in performance among individuals.
Standard detail
Depth 2Parent ID: A5041D0B00BE4ED78B86A654DB13C6D3Standard set: Biology 1
Original statement
Quick facts
- Statement code
- List ID
- 1
- Standard ID
- ABF7C19BA4454DAC8ACCAC8A4AC4302D
- Subject
- Science
- Grades
- 09, 10, 11, 12
- Ancestor IDs
- A5041D0B00BE4ED78B86A654DB13C6D3460C6E0D68904046A05B63DC97F1DA71
- Source document
- Indiana Department of Education
- License
- CC BY 4.0 US