|Address||P.O. Box 219 Batavia, IL 60510|
Twenty-six real tree leaves have been collected and assembled into these extraordinary kits. Studies include classifying objects, identifying leaves using a simple key, creating leaf art and exploring leaf morphology and adaptation.
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HS-LS1-1: Construct an explanation based on evidence for how the structure of DNA determines the structure of proteins, which carry out the essential functions of life through systems of specialized cells.