Ecosystem Interactions

When one of the species hunts, kills, and feeds on the other.

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​Predatory interactions

wolves hunting moose, owls hunting mice, or shrews hunting worms and insects.

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​Predatory Examples

When two or more organisms of the same or different species fight to win resources.

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The competition between organisms is usually for space, nutrients, and water around the plants

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​Competitive interactions

sharks, dolphins, and seabirds often eat the same type of fish in ocean ecosystems​

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​Competitive examples

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When two or more organisms benefit from each other

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​Mutual interactions

• Clownfish and anemones.

• Birds and trees

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​Mutual examples

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When one organism benefits but harms the other

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Parasitic Interactions

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Leeches, ticks, tapeworms, mosquitos

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Parasite Examples

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