Examine the following text for missing or inappropriate use of `ed'. There is a text area enclosing all potential errors. Put the correct form of the word in the text area. If the word in the text area is correct, simply leave it unchanged.

Plagiarism is as reproduction and presentation of the work of others without acknowledgement. The most easily examples of plagiarism when a major segment of another's work is to an examiner widely in the field. Lesser levels of plagiarism through as novel the ideas of others but the words in the original text.

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Passage adapted from OLI A100 course