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ecologist (noun) person who studies the interrelationship between living beings and their environment; person concerned about the protection of environment.
A scientist specializing in the study of the relationship among plants, animals, and human beings, and the relationship of each of them with the environment is an ecologist. An ecologist is also an environmentalist. An ecologist is interested in, and strives for the protection of the environment.
- Nowadays any governments' plans to construct dams across rivers to generate hydroelectric power are constantly facing opposition from ecologists who believe that such constructions damage the environment.
- Ecologists are greatly worried about the phenomenon of global warming because of atmospheric pollution. They are opposed to deforestation also.