life science

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Any of several branches of science, such as biology, medicine, anthropology, or ecology, that deal with living organisms and their organization, life processes, and relationships to each other and their environment. Also called bioscience.

Any of several branches of science, such as biology, medicine, anthropology, or ecology, that deal with living organisms and their organization, life processes, and relationships to each other and their environment. Also called bioscience.

The noun has one meaning:

Meaning #1: any of the branches of natural science dealing with the structure and behavior of living organisms
  Synonym: bioscience