In which year Ernst Haeckel introduced the term 'ecology' to describe the economies of living forms?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 1866.
Ernst Haeckel introduced the term 'ecology' in 1866. He coined the term to describe the study of the relationships between living organisms and their environments, which he referred to as the "economies of living forms." Haeckel's introduction of the term laid the foundation for the field of ecology, emphasizing the interconnectedness of organisms and their surroundings and leading to the development of modern ecological science.