| Subject | English | Catalan |
| environ. | animal behaviour Behaviour of animals in their normal environment, including all the processes, both internal and external, by which they respond to changes in their environment | comportament animal |
| environ. | behaviour of substances Reactivity of a compound depending on the structure of the molecules | comportament de les substàncies |
| environ. | behaviour pattern A relatively uniform series of overt activities that can be observed with some regularity | model de comportament |
| environ. | consumer behaviour An observable pattern of activity concerned with the purchase of goods and services and susceptible to the influence of marketing and advertising strategies | comportament del consumidor |
| environ. | environmentally responsible behaviour | comportament responsable amb el medi ambient |
| environ. | group behaviour An observable pattern of activity displayed by persons in and as an aggregate | conducta de grup |
| math. | inductive behaviour | comportament inductiu |
| math. | inductive behaviour | capteniment inductiu |
| environ. | pollutant behaviour | comportament contaminant |
| environ. | social behaviour A person or community's general treatment, manner of conduct or action toward others as individuals or as members of variously identified groups | comportament social |
| environ. | social-minded behaviour | comportament pro-social |