This lesson was designed and written with you in mind. It is here to help you master the nature of Biology. 

The scope of this module permits it to be used in many different learning situations. The language used recognizes the diverse vocabulary level of students. The lessons are arranged to follow the standard sequence of the course. But the order in which you read them can be changed to correspond with the textbook you are now using.

The lesson covers:

• Lesson 1 – Historical Development of the Concepts of Life

Learning Competency: Explain the evolving concept of life based on emerging pieces of evidence. (S11/12LT-IIa-1)

After going through this module, you are expected to:

1. identify the sequence of events of the history of life on earth;

2. name the pieces of evidence on the evolution of life on earth; and

3. recognize the importance of knowing the history of life on earth.