7. Objectives:
• Describe how living things interact with
each other;
• Make a chart that shows the
relationship among living things;
• Realize the importance of maintaining
harmonious relationship with each
other.
8. “And so we know and rely on the
love God has for us. God is love.
Whoever lives in love lives in God, and
God in him.”
1 John 4:16
9. Having a good and
harmonious relationship is
important to maintain peace
and order in the society.
10. Relationship among Living Things
• Predation
• Competition
• Cooperation
• Symbiosis
a. Mutualism
b. Parasitism
c. Commensalism
11. Predation
• A stronger organism called the predator eats the
weaker organism called the prey.
Predator
Prey
13. Competition
• Some living things have the same need that is
why they used to fight each other.
Intraspecific
Competition-
involves organisms
of the same
kind/species.
15. Cooperation
• Some organisms help one another for higher
chance of survival.
Ants are helping one another to protect and sustain
their colony.
16. Symbiosis
• An interaction that involves two
different kinds of organism, where
one is benefited while the other may
be benefited, harmed or unaffected.
• Examples are mutualism, parasitism
and commensalism.
17. Mutualism
The two organisms are benefited.
Butterfly drinks
nectar from
flowers.Butterfly helps
the flowers in
pollination.
