An ecologist is a person who studies ________________.

survival and extinction of all living organisms on this earth

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the evil effects of population explosion and advances in technology on living organisms of this earth

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how insects, birds, plants, animals and men are related to one another and to their environment

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ways and means to promote harmonious growth of men, animals, plants, birds and insects on this earth

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Solution

The correct option is B how insects, birds, plants, animals and men are related to one another and to their environment
Option C is correct in so far as it defines the term ecologist. Options A, B and D are incorrect in context to the passage.

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Similar questions

Match the ‘environment words’ with their meanings.

Words	Meanings
Ecology	A person who advocates preservation and careful management of natural resources.
Habitat	The variety and variability among living organisms and the ecological complexes in which they occur.
Herpetologist	The relationship of living things to one another and their environment, or the study of such relationships.
Extinct	Tropical evergreen trees or shrubs forming dense thickets along tidal shores.
Aquifer	A place where a population lives and its surroundings, both living and non-living.
Naturalist	A zoologist who studies reptiles and amphibians.
Biodiversity	Having no living representative.
Mangrove	An underground geological formation, containing water.
Conservationist	A person who studies plants and animals, especially outdoors.

Frogs, insects, plants and fishes all live in the same pond. They are a part of the same _______.

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