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Activity 1: Fill Me Up
I. Objective: Differentiate the characteristics of natural and man-made ecosystems
II. Procedure:
1. Study Table 1. Identify some of the characteristics of a natural and roan-
made ecosytem. Check the column that fits the description
Table 1. Characteristic Differences of the Ecosystems
Kinds of Ecosystem
Characteristics of Ecosystem
Natural Man-Made
1. Has fewer species and fewer interactions
between populations.
2. Obtains energy directly from the sun.
3. Depends in non-renewable energy from
fossil fuels.
4. Tends to recycle nutrients.
5. Tends to lose nutrients.
6. Ter:ds to restore water and purify it
through biological process.
7. Tends to pollute water and shed it rapidly
8. Depends on fertilizer added to it.
9. Depends on water added to it.
10 Needs more energy for maintenance.
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