Who mentioned ecosystem as 'the basic unit in ecology' in 1956?
Francis Evans
Francis Evans mentioned ecosystem as the basic unit in ecology in 1956.
Francis Evans
✅ Correct Answer: Francis Evans
In 1956, Francis Evans referred to the ecosystem as “the basic unit in ecology”, emphasizing the integrated relationship between living organisms and their physical environment.
Francis Evans
The correct answer is:
✅ Francis Evans
Francis Evans (1956) explicitly described the ecosystem as "the basic unit in ecology" in his paper "Ecosystem as the Fundamental Unit in Ecology."
This reinforced the ecosystem concept pioneered by Tansley (1935) and advanced ecological studies.
Aldo Leopold: Focused on land ethics, not ecosystem definition.
Rachel Carson: Popularized environmentalism (Silent Spring), not theoretical ecology.
John Harper: Plant ecologist (studied plant populations).
Answer: Francis Evans (Option 4) ✅
An ecosystem consists of:
Which of the following is a natural ecosystem?
The maintenance of equilibrium in an Ecosystem is known as
The phosphorus cycle is unusual because it is entirely:
In an ecosystem, the flow of energy is: