Life Science

MS-LS2-2

Patterns of organism interactions

Performance expectation

Construct an explanation that predicts patterns of interactions among organisms across multiple ecosystems.

Clarification

Emphasis is on competition, predation, mutually beneficial interactions, and relationships with abiotic components across ecosystems.

Assessment boundary

No additional assessment boundary is stated.

SEP

Practice

  • Constructing Explanations and Designing Solutions

DCI

Core idea

  • LS2.A

CCC

Reasoning lens

  • Patterns

Evidence map

Rooms connected to MS-LS2-2.

“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, WHST.6–8.2, SL.8.1, SL.8.4

Mathematics: 6.SP.5

California Environmental Principles and Concepts: I, II, III, IV, V

Verified 2026-07-29. Open the official California source.