Browse Standards
From this browse and search tool, you will find the New York State (NYS) Learning Standards statements for all seven standard areas across grades Pre K - 12. The NYS Learning Standards provides the foundation for the NYS Assessments and the local core curriculum.
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Major Understandings - MST4.I.LE.3.2b:
Extinction of a species occurs when the environment changes and the adaptive characteristics of a species are insufficient to permit its survival. Extinction of species is common. Fossils are evidence that a great variety of species existed in the past.