species interactions
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22 terms
Terms | Definitions |
|---|---|
 browsing | consumption of a portion of a plants tissues generally applied to woody vegetation |
| constitutive defense | a defensive structure or compound that is always present |
| consumer-resource interaction | any interaction between species in which one species preys on or otherwise consumes the other |
| cross resistance | resistance or immunity to one pathogen resulting from infection by another, usually closely related, pathogens |
| defensive mutualism | a relationship between two species in which one species defends the other against its consumers and usally receives soem type of nourishment or living space in return |
| detritivore | an organism that feeds on detritus |
| dispersive mutualism | a relationship between two species in which one species transports pollen or disperses seeds and usually receives some type of nourishment in return |
| grazing | consumption of a portion of a plant's tissue, generally applied to grasses and other herbaceous vegetation |
| herbivores | an organism that consumes living plants or their parts |
| host | the living organism on or within which a parasite resides |
| induced defense | a defensive structure or compound that is produced in response to herbivory or predation |
| mutualism | an interaction between two species that benefits both |
| parasite | an organism that consumes parts of a living host usually without killing the host |
| parasitoid | an insect whose larve live within and consume the tissues of a living host, usually another insect |
| phenolics | aromatic hydrocarbons produced by plants, many of which exhibit antimicrobial properties |
| predators | an animal or protist that kills and eats animals or protists |
| secondary compound | a chemical product of plant metabolism that is produced fro a purpose other than metabolism, usually as a defense against consumers |
| symbiosis | a close physical association between two species, usually coevolved. symbiotic relationships can be parasitic or mutualistic |
| tannins | polyphenolics compounds produced by most plants that bind to plant proteins, thereby impairing their digestion by herbivores |
| terpenoids | secondary compounds, including essential oils, latex, and resins, produced by plants as defense against consumers |
| trophic mutualism | a symbiotic relationship between two species in which each species supplies the other with a limiting nutrient or energy source that it cannot obtain by itself |
| virulence | a measure of the capacity of a parasite or pathogen to invade and proliferate in host tissues |
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