Turn your students into Lead Investigators! This 110-page Animal Detectives: Classification Adventure is a high-engagement science unit that guides students through the five main vertebrate groups using a thrilling "Detective Case File" theme. Originally designed for Grade 3–5 Scientists, it is easily adaptable for younger learners (Grades 1–4) through its visual anatomy maps and interactive sorting tasks. From mammal "Mother’s Milk" clues to fish "Gills and Scales" mysteries, your students wi