Each lesson begins with an overview of the TEKS standards covered, highlighting the most critical concepts students need to master for success. This section helps set the stage by identifying the key ideas and vocabulary that will be emphasized throughout the lesson. Guided Practice engages students with a carefully selected reading passage accompanied by targeted questions that guide them in developing a deeper understanding of the essential skills and concepts. This section supports comprehension and helps build confidence through scaffolded instruction.

Short response questions are provided to encourage students to think deeply and apply their understanding in meaningful ways. These prompts challenge students to demonstrate their skills and engage in thoughtful analysis beyond basic comprehension.

Practice items reflect the types of questions students may encounter on the STAAR exams. Each practice set includes a reading selection and multiple-choice questions that assess students' understanding of the lesson’s skills.

The assessment section offers additional opportunities for STAAR-style practice. These questions mirror the format and rigor of STAAR exams and help gauge student readiness.

Engage students in collaborative biology investigations with the teacher to support the development of key biological concepts through hands-on learning and inquiry.

Minitests provide cumulative STAAR practice on TEKS standards covered throughout the chapter. These mini assessments include new item types modeled after those found in the online STAAR exams, ensuring students are familiar with the digital testing environment and expectations.