Biological Change: Unity and Diversity
Are you looking for an engaging way to teach your students about biological change: unity and diversity? Science reading comprehension can be tough! Claim-evidence-reasoning activities are a great way to do just that! Through the use of nonfiction reading comprehension and close reading passages, your students will be able to develop their skills in understanding the different aspects of biological change. In this blog post, we will discuss the importance of using claim-evidence-reasoning activities to teach biological change: unity and diversity in the classroom, as well as provide you with resources from our Teachers Pay Teachers store to help make this process easier. So, let’s get started!
What is Claim-Evidence-Reasoning?
Claim-Evidence-Reasoning (CER) is an evidence-based argumentative writing strategy that allows students to make meaningful connections between a claim, evidence, and reasoning. It helps students develop their own ideas by using evidence from texts, and by making evidence-based claims about content. CER can be used to teach the important concepts of biodiversity and unity and diversity found in science nonfiction reading comprehension and Close Reading passages.
The purpose of CER activities is to help students develop the ability to build an argument based on text-based evidence. Through this process, students will become better readers and thinkers, as they are able to recognize and understand the cause-and-effect relationship found in plant and animal adaptations. Additionally, CER activities help students compare similarities and differences among organisms and species.
CER also promotes Standards-based reading comprehension by helping students understand the information presented in nonfiction texts through critical reading skills such as nonfiction reading comprehension and close reading strategies. When paired with nonfiction close reading strategies, CER can help students understand and make meaningful connections with the text.
By engaging in CER activities, students can form arguments, ask questions, and make evidence-based claims about content. Through this process, students will become more adept at understanding science content, making connections between texts, and forming evidence-based conclusions.
Examples of Claim-Evidence-Reasoning Activities
Claim-Evidence-Reasoning (CER) is an evidence-based instructional strategy used to teach students to analyze text, draw conclusions, and develop scientific explanations. CER provides students with the opportunity to think like a scientist as they use evidence from the text to support their claims.
Science nonfiction reading comprehension can be taught through CER activities. Students will read a passage and then answer text-based questions that require them to make a claim based on evidence from the text and provide reasoning for their claim. For example, students might read about plant and animal adaptations and then be asked to identify a cause-and-effect relationship between two adaptations. Through this activity, students are able to identify the underlying theme of adaptation and make connections between different species.
Another type of CER activity involves close reading. Close reading requires students to read closely and interpret the text to make claims. Students might be asked to compare similarities and differences between two species, or they may be asked to explain a phenomenon based on their understanding of the text. Through these activities, students will gain a deeper understanding of the text while using their evidence to support their claims.
Finally, standards-based reading comprehension activities can also incorporate CER. These activities will help students become familiar with the content standards in science and apply them to the text. They might be asked to explain a concept in the text and provide evidence from the text to support their explanation. Through these activities, students will gain an understanding of the content standard while applying it to the text.
CER activities offer students a great opportunity to practice their science nonfiction reading comprehension skills, as well as close reading and standards-based reading comprehension. By combining these strategies, students will have the ability to analyze and interpret text in order to make evidence-based claims.
Using Close reading to understand nonfiction text
Close reading is an essential skill for any student studying science. It requires careful reading of a text to identify, analyze, and synthesize details and larger ideas. Close reading of nonfiction texts is especially important for helping students build standards-based reading comprehension skills and engage in Science CER (Claim-Evidence-Reasoning).
Close reading strategies are effective for helping students engage in Science CER because they focus on exploring and understanding the text in order to answer text-based questions. Through close reading, students can develop a better understanding of the cause-and-effect relationship within the text, as well as be able to compare similarities and differences between concepts. Close reading strategies are also great for helping students uncover the author’s purpose and learn how to draw evidence from the text to support their claims.
For example, when studying biological change: unity and diversity, students can use close reading to explore plant and animal adaptations that allow species to adapt to their environment. By breaking down the text into smaller chunks, students can identify keywords and phrases that help them understand how species have evolved over time and have become more diverse. Through close reading, students can also use evidence from the text to support their claims about why certain adaptations are beneficial for certain species.
Close reading strategies are invaluable for helping students understand and engage with nonfiction texts in science. With close reading, students can dive deeper into the text and uncover meaning from evidence-based arguments. With practice, students can gain confidence in their ability to read and comprehend nonfiction text, as well as build standards-based reading comprehension skills.

