LS3+p1


 * =LS3- Groups of organisms show evidence of change over time (structures, behaviors and biochemistry). =

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//Click on the GSE numbers, e.g PS1 (K-2) - POC - 2, in the table below to reach additional information about each GSE. // || Grade Span Expectations (5-8) ||  || Grade Span Expectations (HS) ||   || **Students demonstrate an understanding of equilibrium in an ecosystem by …** **Currently no GSEs for this target at K-2 Grade Span** || LS3 (3-4) - 7 **Students demonstrate an understanding of equilibrium in an ecosystem by …** 7a __explaining what plants or animals might do if their environment changes__ (e.g., changing food supply or habitat due to fire, human impact, sudden weather-related changes). 7b __explaining how the balance of the ecosystem__ can be disturbed (e.g., how does overpopulation of a species affect the rest of the ecosystem). || LS3 (5-6) - 8 **Students demonstrate an understanding of classification of organisms by …** 8a __stating the value of, or reasons for, classification systems.__ 8b __following a taxonomic key to identify a given organism (e.g. flowering and non-flowering plants).__ || LS3 (7-8) - 8 **Students demonstrate an understanding of classification of organisms by …** 8a sorting organisms with similar characteristics into groups based on __internal__ and external structures. 8b __explaining how species with similar evolutionary histories/characteristics are classified more closely together with some organisms than others (e.g., a fish and human have more common with each other than a fish and jelly fish)__ 8c __recognizing the classification system used in modern biology.__ || LS3 (9-11) - 6 **Students will demonstrate their understanding of the degree of genetic relationships among organisms by …** 6a __using given data (diagrams, charts, narratives, etc.) and advances in technology to explain how our understanding of genetic variation has developed over time.__ || **Example Extension(s)** LS3 (Ext) - 6 **Students will demonstrate their understanding of the degree of genetic relationships among organisms by …** 6aa describing how the Human Genome Project has contributed to our understanding of both human heredity and the commonality of DNA sequences among organisms. ||
 * || Grade Span Expectations (K-4) || 
 * || LS3 (K-2) - 7