15 entries under expression topic. ×

7
biological science(noun, form, study, science)
7
science of life(noun, form, study, science)
7
life science(noun, form, study, science)
7
science of living organisms(noun, form, study, science)
7
scientific study of life(noun, form, study, science)
7
scientific study of living matter(noun, form, study, science)
7
scientific study of living organisms(noun, form, study, science)
7
study of living organisms(noun, form, study, science)
6
branch of biology(noun, form, study, science)
5
advocacy of protection(noun, study, treatment, science)
3
branch of scientific knowledge(noun, study, treatment, science)
3
branch of knowledge(noun, study, treatment, science)
3
branch of study(noun, study, treatment, science)
3
scientific discipline(noun, study, treatment, science)
3
scientific knowledge(noun, study, treatment, science)
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APASmart Define. (2015). ecology thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/ecology/thesaurus/broader
ChicagoSmart Define. 2015. "ecology thesaurus" https://smartdefine.org/ecology/thesaurus/broader (accessed September 24, 2026).
HarvardSmart Define 2015, ecology thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/ecology/thesaurus/broader>.
MLASmart Define. "ecology thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/ecology/thesaurus/broader>