A black walnut (Juglans nigra)emits a chemical that may kill or inhibit the growth of other nearby shrubs or trees without harming itself.This is an example of which symbiotic relationship?

Question

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This is an example of amensalism, where one species is harmed (inhibited or killed) while the other is neither helped nor harmed. The black walnut is not benefited by the release of this chemical, but it does harm other nearby plants.

A Black Walnut (Juglans Nigra)emits a Chemical That May Kill