It has been polluted.
By the pollution and the water loss(es) over time. the people and cities have effected this in some harmful way.
Well, the sea lowered and the rock became land.
It has been polluted.
To thin the hered
Animal ecology.
Ecology
The ecology of amfibians is the interaction with this group of animals with their environment and habitat, and their food items and predators.
Ecology is the study of living things' relationship to their environment.
Ecology
Is called ecology .
Population ecology focuses on the dynamic changes occurring one species.
Ecology
ecology may be defined as influence of environmental changes on the living organisms
ecology
An ecologist studies the interaction between life forms in an environment.