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My Role in
Maintaining
Balance of
Nature
Performance Task in Biology
1
Ecology
 The study of the interrelationships
between organisms and their
environment.
2
Ecosystem
 A unit of the biosphere in which the
community of organisms interacts with the
environment.
3
Abiotic Factors
 Or non-living factors in an environment that an
helps an organism to survive. Including
sunlight, air temperature, pressure, mountain
slopes, soil, rainfall, land drainage and
atmosphere.
4
Biotic Factors
 Or living factors in an environment.
5
The Different Interaction In our
Ecosystem
6
Biotic-Biotic
Interaction
 Relationships among biotic
factors in the community.
As we can see, the bee
depends it’s living on the flower
and they are both Biotic
Factors.
7
Biotic-Abiotic
Interaction
 Relationships between the
community and the physical
environment.
As we can see, a dog is resting
on its cage. This illustrates that the
dog is the biotic factor while the
cage is the abiotic factor.
8
Abiotic-Abiotic
Interaction
 Relationships among
physical factors in the
environment.
9
Barangay Valenzuela
10
• A peaceful barangay near
Barangay Cojuangco and
an another way to go to
Cabanatuan City.
Some of the interaction of the
living and non-living things is
by a store.
11
And one of the Nutrient
Cycle that do exist here is
the:
12
 Carbon-Oxygen Cycle
13
Respiration
Carbon Dioxide
Photosynthesis
Oxygen added to
air carbon dioxide
removed from air.
Oxygen
Oxygen removed from the air
carbon dioxide added to air .
But the ecosystem of the
said barangay is affected
by throwing garbage's
everywhere and on an
improper place 
14
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17
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19
20
And because of this mess, if
there is a storm coming, the
canals/drainages can be
blocked by the
plastics, etc. 
21
We also saw a junk shop or a repairing
station which is full of used oils and
other poisonous liquids.
22
And this mess can cause
LAND/SOIL POLLUTION that
can destroy the natural
nutrients that we can found
on the soil.
23
It do also have a warehouse of pig
pellets/food that can affect many
people by it’s smell.
24
So, let us now clean some
mess to prevent the revenge
of Mother Earth 
But, how?
25
• By cleaning our surroundings :D
26
• Segregating Non -
Biodegradable to
Biodegradable
27
• Planting some plants
outside our house.
28
And we’ve
discovered that this
Barangay have this
Material Recovery
Faculty.
29

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My Role In Maintaining Balance Of Nature