University of Science and Technology of Southern Philippines
Alubijid | Cagayan de Oro | Claveria | Jasaan | Oroquieta | Panaon
Claveria
Name: _______________________
Date:_________________
Year and Section: ______________
Score:_________________
The Biological World and its Balancing Mechanism
Laboratory Activity 1
Balancing the world proposes that ecological systems are usually in a stable equilibrium which
is to say that a small change (the size of a particular population, for example) will be corrected by
some negative feedback that will bring the parameter back to its original "point of balance" with the
rest of the system. The theory may apply where populations depend on each other, for example in
predator-prey systems. It is applied to the relationship between the Earth's ecosystem, the
composition of the atmosphere, and the world's weather.
A. Write down 20 organisms that you can consider a pest. Write 5 examples of each category
with their scientific names and characteristic damages.
Common name
Weeds
Scientific name
Characteristic Damage
Common name
Birds
Scientific name
Characteristic Damage
Common name
Rodents
Scientific name
Characteristic Damage
Common name
Insects
Scientific name
Characteristic Damage
1)
2)
3)
4)
5)
1)
2)
3)
4)
5)
1)
2)
3)
4)
5)
1)
2)
University of Science and Technology of Southern Philippines
Alubijid | Cagayan de Oro | Claveria | Jasaan | Oroquieta | Panaon
Claveria
3)
4)
5)
B. Differentiate the following using the Venn’s Diagram
1) Food Chain and Food Web
Food Chain
Food Web
2) Insects and Birds
Insects
Birds
University of Science and Technology of Southern Philippines
Alubijid | Cagayan de Oro | Claveria | Jasaan | Oroquieta | Panaon
Claveria
C. Take a picture of pest (Attach 1 photo in each pest: Weed, Bird, Rodents or Insect) in your
community and explain how the pest affects the community (3 – 5 sentences in each pest
only)
University of Science and Technology of Southern Philippines
Alubijid | Cagayan de Oro | Claveria | Jasaan | Oroquieta | Panaon
Claveria
References