This is the 5240th most frequent Catalan word.
biologia
The scientific study of living organisms and life processes.
Here, 'biologia' is used as a noun representing the scientific discipline.
La biologia estudia els éssers vius i els seus processos vitals.
Biology studies living beings and their vital processes.
Here, 'biologia' denotes the field of study or subject.
Vaig decidir estudiar biologia perquè m'encanten els animals.
I decided to study biology because I love animals.
Here, 'biologia' is used adjectivally to describe the type of classes.