forestry vs biological science

forestry and biological science both are nouns.

Word	Noun	Adjective	Verb	Adverb
forestry	Yes	No	No	No
biological science	Yes	No	No	No

As nouns, biological science is a hypernym of forestry; that is, biological science is a word with a broader meaning than forestry:

forestry: the science of planting and caring for forests and the management of growing timber
biological science: the science that studies living organisms

Other hypernyms of forestry include biology.

forestry (noun)	biological science (noun)
the science of planting and caring for forests and the management of growing timber	the science that studies living organisms