A fungal spore germinates, giving rise to a mycelium that grows outward into the soil surrounding the site where the spore originally landed. Which of the following accounts for the fungal movement, as described here?

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Fungal movement in this scenario is due to cytoplasmic streaming in hyphae. The hyphae grow outward from the spore and into the surrounding soil, carrying the cytoplasm and other cell components with them, which allows the mycelium to expand and cover a larger area. There is no evidence of karyogamy, mycelial flagella, alternation of generations, or breezes distributing spores in this scenario.

A Fungal Spore Germinates, Giving Rise to a Mycelium That