LS3+p2

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

//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 Natural Selection/evolution by …** 9a __explaining how a population’s or species’ traits affect their ability to survive over time.__ 9b __researching or reporting on possible causes for the extinction of an animal or plant__. 9c __explaining how fossil evidence can be used to understand the history of life on Earth__. || LS3 (7-8) - 9 **Students demonstrate an understanding of Natural Selection/ evolution by …** 9a __explaining that genetic variations/traits of organisms are passed on through reproduction and random genetic changes.__ 9b __gathering evidence that demonstrates evolutionary relationships among organisms__ (e.g., similarities in body structure, early development, traits). 9c differentiating between acquired and inherited characteristics and giving examples of each. 9d __explaining how natural selection leads to evolution (e.g., survival of the fittest).__ 9e __describing how scientists’ understanding of the way species originate or become extinct has changed over time.__ || LS3 (9-11) - 7 **Students demonstrate an understanding of** **Natural Selection/ evolution by…** 7a investigating __how information is passed from parents to offspring by encoded molecules__ (e.g. evidence from electrophoresis, DNA fingerprinting). 7b investigating __how the sorting and recombination of genes in sexual reproduction results in a great variety of possible gene combinations in the offspring of any two parents.__ (e.g. manipulate models to represent and predict genotypes and phenotypes, Punnett Squares, probability activities). 7c citing evidence of __how natural selection and its evolutionary consequences provide a scientific explanation for the diversity and unity of past and present life forms on Earth.__ (e.g. Galapagos Islands, Hawaiian Islands, Australia, geographic isolation, adaptive radiation). || **Example Extension(s)** LS3 (Ext) - 7 **Students demonstrate an understanding of** **Natural Selection/ evolution by…** 7aa distinguishing the stages of mitosis and meiosis and how each contributes to the production of offspring with varying traits 7bb researching and reporting on the contributions of key scientist in understanding evolution and natural selection (e .g. Darwin, Wallace, Mendel). 7cc **trace** the evolution and migration of **Homo** //sapiens.// ||
 * || Grade Span Expectations (K-4) || 
 * ||  || [[image:Spacer1Inch.jpg width="207" height="120"]] || LS3 (5-6) - 9