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Grade 10 Science Module: Biodiversity and Stability

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 least 40 percent of the world’s economy and 80 percent of the needs of the poor are derived from biological resources. In addition, the richer the diversity of life, the greater the opportunity for medical discoveries, economic development, and adaptive responses to such new challenges as climate change.” -The Convention about Life on Earth, Convention on Biodiversity website.


The Philippines is known for its rich biodiversity but also considered as a biodiversity “hotspot” for it is continuously experiencing an alarming rate of environmental destruction. Climate change, pollution and extractive industries are among the major threats to country’s biodiversity.

This module provides you information on the importance of biodiversity. It also helps you understand the relationship between biodiversity and stability of an ecosystem, and how diversity of species increases the probability of adaptation and survival of organisms in changing environments. Awareness on your present environment will also be heightened for the protection and conservation of the community you live in.

After going through this module, you are expected to:

1. explain how species diversity increases the probability of adaptation and survival of organisms in changing environments;

2. analyze how biodiversity affect the stability of an ecosystem; and

3. suggest ways on how local biodiversity can be protected and conserved in the community.

Going through this module can be a meaningful learning experience. All you need to do is make use of your time and resources efficiently. To do this, here are some tips for you:

1. Take the pretest (What I Know) before reading the rest of the module.

2. Take time in reading and understanding the lesson. Follow instructions carefully. Do all activities diligently. It is better to be slow but sure than to hurry and miss the concepts you are supposed to learn.

3. Use a separate sheet of paper for your answers in each activity or assessment. Don’t forget to write your name. Label it properly.

4. Try to recall and connect the ideas about the lessons that you had in the lower years. Use the concept discussed in the lesson to explain the results of activities or performance task.

5. Be honest. When doing the activities, record only what you have really observed. Take the assessments after each activity, but do not turn to the Answer Key page unless you are done with the entire module.

6. Don’t hesitate to ask. If you need to clarify something, approach or contact your teacher or any knowledgeable person available to help you. You may also look into other references for further information.

7. Take the post-test prepared at the end of the module, so you can assess how much you have learned from this module.

8. You can check your answers in the activities, self-assessments, and post-test after you finished the entire module to know how much you have gained from the lesson and the activities.

Grade 10 Science Quarter 3 Self-Learning Module: Biodiversity and Stability

SCI10-Q3-MODULE8

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