Students will learn about niches and habitats, natural selection, animal survival in extreme environments, camouflage, reproduction, and more. This high-interest informational text features vibrant photographs, helpful diagrams, text features such as a glossary and index, and a hands-on Think Like a Scientist lab activity that is aligned with the Next Generation Science Standards. This 6-Pack includes six copies of this Level U title and a lesson plan that specifically supports guided reading instruction.