What is plagiarism?
" Most simply,
plagiarism is intellectual theft. Any use of another author’s research,
ideas, or language without proper attribution may be considered plagiarism."
Source: http://www.zoology.ubc.ca/bpg/plagiarism.htm
It is unethical and illegal to submit someone else's work as your
own - it is the same as stealing.
Plagiarism can take various forms. It can be blatant theft or
accidental "borrowing". See the following examples: