This is the 10892nd most frequent Polish word.
ekosystemu
"Ekosystemu" means "of the ecosystem" in English, indicating possession or relation.
In this sentence, 'ekosystemu' is in the genitive case, as it is used to indicate possession or relation in terms of protection.
Ochrona ekosystemu jest niezwykle ważna dla zachowania bioróżnorodności.
The protection of the ecosystem is extremely important for preserving biodiversity.
Here, 'ekosystemu' is in the genitive case again, showing influence on the subject.
Wpływ działalności człowieka na stabilność ekosystemu jest znaczący.
The impact of human activity on the stability of the ecosystem is significant.
Once more, 'ekosystemu' is in the genitive case, used to describe the dynamics of something.