Grade 3. Students explore variation of traits in individuals, patterns of life cycles, and how the environment can affect expression of individuals' traits. Materials are available as a 1-use module (item #516831), 1-use refurbishment set (item #516834), 3-use module (item #516831U3), 3-use refurbishment set (item #516834U3), and student reader (item #516835, #516835A, #516836, #516836A, #516835SP, or #516835ASP). Select the 1- or 3-Use Module below to view the module overview.

Grade 3. Over the module's 15 lessons, students examine variation of inherited traits in individuals, as well as how the environment can affect expression of individuals' traits. Students also explore patterns of life cycles and how traits can provide organisms a reproductive advantage. Materials are available as a 1-use module (item #516831), 1-use refurbishment set (item #516834), 3-use module (item #516831U3), 3-use refurbishment set (item #516834U3), student activity guide (item #516833 or #516833SP), and student reader (item #516835, #516835A, #516836, #516836A, #516835SP, or #516835ASP). Select the 1- or 3-Use Module above to view the complete module overview.