Who mentioned ecosystem as 'the basic unit in ecology' in 1956?

The correct answer is Francis Evans.

Key Points

• Francis Evans, an eminent ecologist, mentioned the ecosystem as 'the basic unit in ecology' in 1956.
• This concept emphasizes the interdependence of organisms within their physical environment.
• Evans' definition helped in broadening the understanding of ecological interactions and energy flow within ecosystems.
• It laid the foundation for further ecological research and environmental science studies.

Additional Information

• Ecosystem: A biological community of interacting organisms and their physical environment.
• Ecology: The branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
• Energy Flow: The flow of energy through a food chain, which is a sequence of organisms each dependent on the next as a source of food.
• Biotic and Abiotic Factors: Ecosystems consist of biotic (living) and abiotic (non-living) components.
• Trophic Levels: Different levels in a food chain, representing the flow of energy and nutrients from primary producers to various consumers.