LS2C: Ecosystems Dynamics, Functioning and Resilience

3-LS4-4 Evidence Statements

3 LS Evidence Statements

3rd Grade Evidence Statements

Design, evaluate, and refine a solution for reducing the impacts of human activities on the environment and biodiversity.*

Performance Expectation

Grade:  High School (9-12)
Evaluate the claims, evidence, and reasoning that the complex interactions in ecosystems maintain relatively consistent numbers and types of organisms in stable conditions, but changing conditions may result in a new ecosystem.

Performance Expectation

Grade:  High School (9-12)
Use mathematical representations to support and revise explanations based on evidence about factors affecting biodiversity and populations in ecosystems of different scales.

Performance Expectation

Grade:  High School (9-12)
Evaluate competing design solutions for maintaining biodiversity and ecosystem services.*

Performance Expectation

Grade:  Middle School (6-8)
Construct an argument supported by empirical evidence that changes to physical or biological components of an ecosystem affect populations.

Performance Expectation

Grade:  Middle School (6-8)
Make a claim about the merit of a solution to a problem caused when the environment changes and the types of plants and animals that live there may change.*

Performance Expectation

Grade:  3-5, 3

DCI Arrangements

Grade:  High School (9-12)