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Definition
| Interaction among organisms in which one organism lives with, in , or on another |
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| A lack of benefit or detriment experienced by either members of the pair of interacting organisms |
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Definition
| Some degree of overlap in ecological niches off two populations in the same community, such that both depend on the same food source, shelter, or other resources and negatively affect each others survival |
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Definition
| Form of symbiosis when the symbiont, phoront, is mechanically carried about by its host. Neither is physiologically dependent on the other... To carry |
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Definition
| A mutually beneficial interaction between organisms in which the interaction is not physiologically necessary to the survival of either |
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Definition
| A type of symbiosis in which both host and symbiont benefit from association. It is obligatory and there is physiological dependence |
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Definition
A kind of symbiosis in which the symbiont benefits and the host is neither harmed nor helped by the association.
"Eating at the same table" |
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Definition
| A symmetrical interaction in which one organism causes a negative effect on another without being positively or negatively affected in return |
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Definition
| A symbiosis in which a symbiont benefits from the association, while the symbiont harms the host in some way or lives at the expense of the hosts |
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Definition
Predator: kills its prey, is large relative to the prey, has numerous prey, is not symbiotic, no post-encounter interaction
Parasite: does not usually kill host, small, has only one host, symbiotic, post-encounter interaction |
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Definition
Large parasite that does not multiply in the host of interest
-does not induce lasting immunity
-have more stable populations and cause endemic diseases |
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Definition
Small parasite that multiplies within the host of interest
-induce a lasting immunity
-have unstable populations and cause epidemic diseases |
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Definition
| Parasites that live on the outer surface of its host |
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Definition
| Parasite that lives on the inside of its host |
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Definition
| Cannot complete their life cycle without spending at least part of the time in a parasitic relationship |
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Definition
| Not normally parasitic but can become so when they are accidentally eaten or enter a wound or other body orifice (opportunistic) |
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| Accidental (incidental) parasite |
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Definition
| A parasite found in other than its normal host |
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Definition
| A parasite that lives its entire adult life within or on a host |
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| Temporary (intermittent) parasite or micropredators |
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Definition
| A parasite that contacts its host only to feed and then leaves |
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Definition
| Organism that is a typical parasite early in its development but that finally kills its host during or at the completion of development |
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Definition
| Condition in which an organism is a parasite of another parasite |
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Definition
| A parasite living in the lumen of a hollow organ, such as the intestine |
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Definition
| A parasite living within the tissues of a host |
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Definition
| Any agent such as water, wind, or insect (host) that transmits a disease organism |
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Definition
| Host in which parasite achieves sexual maturity; if there is no sexual reproduction in the life of the parasite, the host most important to humans is the definitive host |
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Definition
| Host in which a parasite develops to some extent but not to sexual maturity |
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Definition
| Any animal that harbors an infection that can be transmitted to humans |
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| Paratenic (transport) host |
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Definition
| A host in which a parasite survives without undergoing further development |
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