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Symbiotic Relationships List & Flashcards

Symbiotic Relationships List & Flashcards
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Obligate Symbiosis
Both species need each other to survive in this type of symbiosis.
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Amensalism
One of the species is unaffected (usually the larger species) while the other species is harmed and/or eventually killed by the interaction.
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Commensalism
One of the species gains something while the other species is unaffected by the interaction. The host species is not harmed or helped in this type of interaction.
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Vectors
These are parasites that infect their host species with bacteria or viruses.
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Parasitism
One of the species gains something while the other species is harmed and/or eventually killed by the interaction. The host species is harmed in this type of interaction.
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Symbiont
This species uses the other species as a place to live or a source of food. The individuals of this species are usually smaller than the individuals of the other (host) species.
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Host
This species serves as a place to live or a source of food for the other species. The individuals of this species are usually larger than the individuals of the other (symbiont) species.
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Mutualism
Both of the species involved gain something from their interaction. None of the species are harmed in this type of interaction.
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Symbiosis
The interaction of at least two species over a long period of time.
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19 cards in set

Flashcard Content Overview

Prepare to deepen your knowledge of symbiotic relationships between organisms. In this set of flashcards you will learn the basics of this branch of ecology, such as what exactly symbiosis means, what a parasite is, and the differences and similarities between the three main types of symbiosis.

Front
Back
Symbiosis
The interaction of at least two species over a long period of time.
Mutualism
Both of the species involved gain something from their interaction. None of the species are harmed in this type of interaction.
Host
This species serves as a place to live or a source of food for the other species. The individuals of this species are usually larger than the individuals of the other (symbiont) species.
Symbiont
This species uses the other species as a place to live or a source of food. The individuals of this species are usually smaller than the individuals of the other (host) species.
Parasitism
One of the species gains something while the other species is harmed and/or eventually killed by the interaction. The host species is harmed in this type of interaction.
Vectors
These are parasites that infect their host species with bacteria or viruses.
Commensalism
One of the species gains something while the other species is unaffected by the interaction. The host species is not harmed or helped in this type of interaction.
Amensalism
One of the species is unaffected (usually the larger species) while the other species is harmed and/or eventually killed by the interaction.
Obligate Symbiosis
Both species need each other to survive in this type of symbiosis.
Facultative Symbiosis
The species involved in this type of symbiosis choose to live together; their survival is not solely dependent on their interaction.
Defense Symbiosis
An interaction where two species defend one another from predators.
Pollination Symbiosis
A form of mutualism between flowering plants and animal species. The animals consume the flower nectar and as they travel from flower to flower they help to pollinate, or fertilize, the plants.
Cleaning Symbiosis
A form of mutualism between species in which one species literally cleans another species by eating any parasites it finds.
Transport Symbiosis
This type of mutualism is related to cleaning symbiosis. As the cleaning species cleans its host species, it travels along with it or on it.
Parasite
The species that gains from an interaction that leaves the other species harmed or killed.
Ticks are involved in this type of symbiosis
Ticks, such as the deer tick seen here, harm their hosts and therefore are involved in parasitism.
Describe the symbiotic relationship
The relationship between a cattle egret and a cow is an example of commensalism. The cattle egret gains something while the cow is unaffected.
Describe the symbiotic relationship
The clown fish and the anemone have a mutualistic relationship. Both species defend one another from predators.
Trees participate in this type of symbiosis
Black walnut trees are an example of a species that participates in amensalism, harming other species of trees while remaining unaffected.

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