Life Science
MS-LS2-4
Changes to ecosystems and populations
Performance expectation
Construct an argument supported by empirical evidence that changes to physical or biological components of an ecosystem affect populations.
Clarification
Emphasis is on recognizing patterns in data, making warranted inferences, and evaluating empirical evidence.
Assessment boundary
No additional assessment boundary is stated.
SEP
Practice
- Engaging in Argument from Evidence
DCI
Core idea
- LS2.C
CCC
Reasoning lens
- Stability and Change
Evidence map
Rooms connected to MS-LS2-4.
“Primary” means the chapter includes an observable performance and assessable artifact for this expectation; “supporting” builds context.
Connections recorded in the official model
ELA/literacy: RST.6–8.1, RI.8.8, WHST.6–8.1, WHST.6–8.9
Mathematics: No specific code recorded.
California Environmental Principles and Concepts: I, II, III, IV, V
Verified 2026-07-29. Open the official California source.