Pine trees are coniferous trees native to most areas of the Northern Hemisphere. Pines produce seeds in the form of pine cones. In some species, pine cones open automatically upon maturation to release seeds. Other species rely solely on birds to break open the pine cones to disperse the seeds. In still others, a resin holds the pine cones closed until a forest fire melts the resin and the seeds can be released. Immediately after a forest fire, what type of growth would pine trees experience?    a) Exponential b) Parabolic c) Logistic d) Linear

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