Grade 7 Science Module: Ecological Relationships

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! How are you? Have you ever had a question about the environment, like what is an ecosystem? What are the components of an ecosystem? How do these components interact with each other? There is a way to find out the answer to these questions. Be an environmentalist. This module will help you explore the environment. How do living and non-living things interact? What ecologicalrelationships exist between them?

Most Essential Learning Competency:

  • Describe the different ecological relationship found in an ecosystem.

This module is divided into two lessons:

  • Lesson 1 – Ecological Level of Organizations in an Ecosystem.
  • Lesson 2 – Ecological Relationships in an Ecosystem

After going through this module, you are expected to:

1. describe an ecosystem and its ecological relationship;

2. identify the ecological levels of organizations in the ecosystem;

3. differentiate symbiotic and non-symbiotic relationship; and

4. relate the importance of ecosystem in daily living.

Grade 7 Science Quarter 2 Self-Learning Module: Ecological Relationships


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