Answer:'Life Sciences' is all sciences that have to do with 'organisms', like plants, animals, and human beings. More specifically the following fields of science are included. For specifications see 'Interesting links'
Or use this one
Life science: a branch of science (such as biology, medicine, and sometimes anthropology or sociology) that deals with living organisms and life processes
Explanation: This is the close definition that I can help for life science and sorry if it ain't the best fit for you.