Grade 7 Science Module: Levels of Biological Organization

This Self-Learning Module (SLM) is prepared so that you, our dear learners, can continue your studies and learn while at home. Activities, questions, directions, exercises, and discussions are carefully stated for you to understand each lesson.

Each SLM is composed of different parts. Each part shall guide you step-by-step as you discover and understand the lesson prepared for you.

Pre-tests are provided to measure your prior knowledge on lessons in each SLM. This will tell you if you need to proceed on completing this module or if you need to ask your facilitator or your teacher’s assistance for better understanding of the lesson. At the end of each module, you need to answer the post-test to self-check your learning. Answer keys are provided for each activity and test. We trust that you will be honest in using these.

Please use this module with care. Do not put unnecessary marks on any part of this SLM. Use a separate sheet of paper in answering the exercises and tests. And read the instructions carefully before performing each task.

If you have any questions in using this SLM or any difficulty in answering the tasks in this module, do not hesitate to consult your teacher or facilitator.

Hello, my dear young biologist! I know that you are confused of how our body is made. What are inside our body and if we study it closely what’s inside? As a living organism, we are made up of different organ systems that work together to make them function. We need them to function well for us to survive. In order to maintain its function, we need to provide its basic needs. When we eat healthy foods our digestive system breaks them into simple substances which eventually are transported throughout the body by the circulatory system. But what is responsible in transporting these nutrients? Is it the circulatory system alone? Are these systems made up of smaller parts? Absolutely yes, it is made up of different organs to make it work as a system. Just like the mouth, esophagus, stomach and intestines are grouped together to form the digestive system. The arteries, heart and veins are also grouped together to form the circulatory system.

Most Essential Learning Competency

  • Describe the levels of the biological organization from cell to biosphere.

After going through this module, you are expected to:

  • Identify the different levels of biological organization in an organism
  • Describe the parts that make up each level of organization and their functions;
  • describe how organisms interact with their environment at several levels.

Grade 7 Science Quarter 2 Self-Learning Module: Levels of Biological Organization


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