Ecology
/ɪˈkɑlədʒi/
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Definition
(noun) The branch of biology dealing with the relationships of organisms with their environment and with each other.
Sentence Examples
Pollution has a disastrous effect on the ecology of a region.
Not just for the sake of the ecology, a natural living environment is necessary.
CEFR Practice Quiz
Pollution has a disastrous effect on the ____ of a region.