Lesson Notes By Weeks and Term v4 - SHS 3
ECOLOGY
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ECOLOGY
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Subject: Biology
Class: SHS 3
Term: 2nd Term
Week: 5
Grade code: 3.3.2.LI.2
Strand code: 3
Sub-strand code: 2
Content standard code: 3.3.2.CS.2
Indicator code: 3.3.2.LI.2
Theme: DIVERSITY OF LIVING THINGS AND THEIR ENVIRONMENT
Subtheme: ECOLOGY
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Welcome, future scientists! In our previous lessons, we learned how to collect data from the environment using tools like quadrats and transects. But collecting data is only the first step. The real power of a scientist lies in their ability to understand what the data is telling them. Today, we will learn how to bring raw ecological data to life. We will organize it, create visual representations like graphs, and most importantly, learn how to analyse these visuals to make sense of the world around us.
From Raw Data to Meaningful Information
Imagine you used a 1m x 1m quadrat to count the number of different plant species on your school field. Your field notebook might look like a jumble of names and numbers. This is raw data. To make sense of it, we follow a systematic process.
Step 1: Organizing Data into a Frequency Table
A frequency table is a simple and clear way to arrange data. It shows the different categories or items you observed and how many times (the frequency) each one appeared. Example: A group of SHS3 students used a quadrat to sample a small plot of land behind their classroom. They recorded the following plant species: