obligate mutualism in a sentence

1. Firstly, obligate mutualism, where two mutualistic partners are completely interdependent for survival and reproduction.
2. One of the most spectacular examples of obligate mutualism is between the siboglinid tube worms and symbiotic bacteria that live at hydrothermal vents and cold seeps.
3. Like all figs, it has an obligate mutualism with fig wasps; figs are only pollinated by fig wasps, and fig wasps can only reproduce in fig flowers.
4. In some cases the symbiosis between fungus and plant reaches a point of inseparability; fungal material is transmitted vertically from the maternal parent plant to seeds, forming a near-obligate mutualism.
5. Most myrmecophilous associations are opportunistic, unspecialized, and facultative ( meaning both species are capable of surviving without the interaction ), though obligate mutualisms ( those in which one or both species are dependent on the interaction for survival ) have also been observed for many species.
6. It's difficult to find obligate mutualism in a sentence.
7. Like all figs it has an obligate mutualism with fig wasps; " F . maxima " is only pollinated by the fig wasp " Tetrapus americanus ", and " T . americanus " only reproduces in its flowers . " F . maxima " fruit and leaves are important food resources for a variety of birds and mammals.