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An earthstar is a type of fungus belonging to the genus Geastrum. These fungi are characterized by a spherical fruiting body, known as the peridium, which splits open in a star-like pattern.1

Fungi, in general, are organisms that obtain nutrients by absorbing organic matter. They can break down complex carbohydrates like starches and cellulose using secreted enzymes. Fungi are found in diverse environments globally, with many thriving in soil rich in organic matter. Some species are parasitic, living on or within other organisms, while others inhabit aquatic environments.23

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