This is the 3617th most frequent Polish word.
ekologia
The study of the relationships between living organisms and their environment.
Here, 'ekologia' is used as a noun referring to a scientific field that studies the interactions of organisms with their environment.
Ekologia to nauka o zależnościach w przyrodzie.
Ecology is the study of relationships in nature.
In this sentence, 'ekologia' refers to environmentally friendly practices or the concept of caring for the environment.
Musimy bardziej dbać o ekologię, segregując odpady.
We must care more about ecology by sorting waste.
Here, 'ekologia' reflects an interest in or focus on the science of ecology or related activities.