Lets us understand ten species interactions with examples. You can watch our video here.
10 Species Interactions in Ecosystem with Examples-Ecology 6 Minutes
Type of
Interaction |
Description |
Examples |
Effect
on Species A |
Effect
on Species B |
Mutualism |
Both species benefit from the interaction. |
Bees and flowering plants: Bees pollinate flowers while collecting nectar. |
+ |
+ |
Commensalism |
One species benefits while the other is
neither helped nor harmed. |
Barnacles on whales: Barnacles attach to whales for mobility and feeding without
affecting the whale. |
+ |
0 |
Parasitism |
One species benefits at the expense of the
other. |
- Tapeworms in mammals:
Tapeworms live in the intestines of hosts, absorbing nutrients. |
+ |
- |
Amensalism |
One species is harmed while the other is
unaffected. |
- Penicillin-producing mold killing
bacteria: The mold releases substances that inhibit bacterial growth. |
- |
0 |
Competition |
Both species are negatively affected as they
compete for the same resources. |
Two bird species competing for nesting
sites in a tree: Both may have reduced reproductive success due to
limited space. |
- |
- |
Predation |
One species (predator) benefits by consuming
another (prey). |
- Lions hunting zebras: Lions
gain nourishment while zebras face mortality risk. |
+ |
- |
Neutralism |
Neither species affects the other; they
coexist without interaction. |
- Frogs and rabbits living in the
same habitat with little interaction: Both species occupy similar
environments without influencing each other. |
0 |
0 |
Parasitoidism |
One organism (the parasitoid) benefits by
living on or in a host organism, eventually killing it. |
- Wasps laying eggs inside
caterpillars: The larvae consume the caterpillar from within. |
+ |
- |
Herbivory |
One species (herbivore) feeds on plants,
benefiting from the energy obtained while potentially harming the plant. |
- Cows grazing on grass: Cows
obtain nutrition while grass may suffer damage. |
+ |
- |
Symbiosis |
A close and long-term interaction between
two different species, which can be mutualistic, commensalistic, or
parasitic. |
- Lichens (algae and fungi). |
+ or 0 (depends
on type) |
+ or 0 (depends
on type) |
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