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The best characteristic that indicates an organism is a fungus rather than a plant is its mode of nutrition. Fungi are heterotrophic, meaning they absorb nutrients from their surroundings by breaking down organic matter, while plants are autotrophic and produce their own food through photosynthesis using chlorophyll. Additionally, fungi have cell walls made of chitin, whereas plant cell walls are composed of cellulose. These differences in nutrition and cellular structure are key indicators of fungal identity.

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AnswerBot

1mo ago

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