| biotic factor(noun, body, science, living) | |
| bitter vetch(noun, flora, agriculture, harvest, crop) | |
| cell cycle(noun, genetics, event, organism) | |
| climax community(environment, science, ecology, bionomics) | |
| eco(nature, science, life, ecology) | |
| ecosystem(noun, study, science, system, structure) | |
| endocytosis(noun, process, active transport, cytosis) | |
| energy transfer(noun, movement, science, process, transportation) | |
| exosystem(environment, psychology, connection, surroundings) | |
| facilitated diffusion | |
| hypotonic solution | |
| logistic growth(noun, growth, function, pattern, curve) | |
| macro environment(noun, situation, atmosphere, medium, background) | |
| nocturnal | |
| nuclear membrane | |
| oncology | |
| phototrophic | |
| protein pump | |
| recessive trait(noun, feature, characteristic, attribute) | |
| selectively permeable |
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| APA | Smart Define. (2015). biology thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/biology/thesaurus/narrower |
| Chicago | Smart Define. 2015. "biology thesaurus" https://smartdefine.org/biology/thesaurus/narrower (accessed September 28, 2026). |
| Harvard | Smart Define 2015, biology thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/biology/thesaurus/narrower>. |
| MLA | Smart Define. "biology thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/biology/thesaurus/narrower> |