arbuscular mycorrhizal fungi (AMF)
mycorrhizae in which the mycorrhizal fungus produces arbuscules (sites of exchange between plant and fungus) hyphae (fungal filaments) and vesicles ( fungal energy storage organs within root cortex cells)
arbuscule
a bush-shaped organ on an endomycorrhizal fungus that acts as a site of material exchange between the fungus and its host plants
balanced growth
cell growth in which all cell constituents, such as nitrogen, carbon, and DNA, increase at approximately the same rate
commensalism
an interaction between two species in which one species is benefited and the other is neither benefited nor harmed
confidence interval
a range of values within which the true population mean occurs with a particular probability called the level of confidence
ectomycorrhizae (ECM)
as association between a fungus and plant roots in which the fungus forms a mantle around roots and a netlike structure around roots cells
extrafloral nectary
nectar-secreting glands founds on structures other than flowers, such as leaves
facultative mutualism
a mutualistc relationship between two species that is not required for the survival of the two species
hyphae
long, thin filaments that form the basic structural unit of fungi
level of confidence
one minus the significance level, which is generally 0.05
mutualism
interactions between individuals of different species that benefit both partners
obligate mutualism
a mutualism relationship in which species are so dependent upon the relationship that they cannot live in its absence
selection coefficient
the relative selection costs of benefits (decreased or increased fitness) associated with a particular biological trait
vesicle
storage organ in vesicular-arbuscular mycorrhizal fungi
