Types of Symbiotic Relationships Flashcards

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A relationship between two organisms of different species in which one individual benefits and the other is unaffected.

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This type of relationship is called commensalism.

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Oxpecker and Zebra

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An oxpecker eats ticks and other parasites that live on zebras. This provides food for the oxpecker and pest control for the zebra. This is an example of mutualism.

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Spider crabs live in shallow areas of the ocean, and algae grow on their backs. This helps the crab blend in for camouflage while providing the algae a place to live.

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Spider crabs benefit from camouflage, and algae benefit from a place to live.

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Certain types of bacteria live in human intestines. These bacteria feed on food that is not completely digested, helping humans with digestion.

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Bacteria gain a food source, and humans gain help with digestion.

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Spider crabs and algae demonstrate mutualism, where both species benefit from their relationship.

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Mutualism is a relationship where both organisms benefit.

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Pistol shrimp and goby fish rely on each other for survival, showcasing a cooperative relationship.

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Cooperation between species can enhance survival.

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The plover bird and crocodile show a cleaning symbiosis, where the bird removes food scraps from the crocodile's teeth.

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Cleaning symbiosis benefits both the cleaner and the host.

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Symbiotic relationships, like those between bacteria and humans, are essential for survival and health.

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Symbiosis can improve health and provide essential benefits.

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Parasitism Example: Flea and Dog

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The relationship between a flea and a dog is an example of parasitism, where the flea benefits and the dog is harmed.

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Lice live on the skin (under the hair) of certain organisms such as monkeys. Lice survive by feeding on the blood of the monkeys.

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This describes a parasitic relationship where lice benefit by feeding on monkeys, but the monkeys are harmed.