Term
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Definition
| the process of one herbivore creating attractive feeding conditions for another herbivore so there is a benefit provided to the second herbivore |
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Term
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Definition
| plant defense methods that are called into action once herbivore attack occurs and are nearly absent during periods of no herbivory |
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Term
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Definition
a relationship between two organisms of different species that benefits both and harms neither
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Term
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Definition
| a mutally beneficial association of a fungus and the roots of a plant in which the plant's mineral absoprtion is enhanced and the fungus obtains nutrients from the plant |
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Term
| optimal defense hypothesis |
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Definition
| the idea that plants allocate defenses against herbivores in a manner that maximizes individual plant fitness, and that defenses are costly to produce |
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Term
| overcompensation hypothesis |
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Definition
| the idea that a small amount of grazing will increase plant growth and fitness rather than cause harm to the plant |
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Term
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Definition
| the idea that herbivores prefer to attack stressed plants, which produce leaves that are higher in nitrogen |
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Term
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Definition
| the idea that herbivores prefer to attack fast-growing, vigorous plants rather than slow-growing stressed plants |
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Term
| resource availability hypothesis |
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Definition
| a theory of plant defense that predicts higher plant growth rates will result in less investment in defensive chemicals and structures |
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Term
| secondary plant substances |
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Definition
| chemicals produced by plants that are not directly involved in the primary metabolic pathways and whose main function is to repel herbivores |
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