Who among the following scholars first used the term ‘ecology’? a. Charles Darwin b. Ernst Haeckel c. Jean-Baptiste Lamarck d. Alfred Russel Wallace

To address the question of who first used the term 'ecology', we can analyze the options provided:

1. Charles Darwin - While Darwin is known for his contributions to the theory of evolution, he did not coin the term 'ecology'.

2. Ernst Haeckel - Haeckel is the scholar credited with first using the term 'ecology' in 1866. He defined it as the study of the relationship between living organisms and their environment.

3. Jean-Baptiste Lamarck - Lamarck is known for his early theories of evolution but did not use the term 'ecology'.

4. Alfred Russel Wallace - Wallace is known for independently formulating the theory of natural selection, but he, too, did not use the term 'ecology'.

Final Answer

The correct answer is b. Ernst Haeckel.