the study of the nonliving parts of the environment the study of the living parts of the environment the study of the protection and renewal of natural resources the study of organisms and their interactions with the environment
I gave my students this multiple choice question: Which is the best explanation of the term ecology?

Only one answer is correct among these 4 choices:
- the study of the nonliving parts of the environment
- the study of the living parts of the environment
- the study of the protection and renewal of natural resources
- the study of organisms and their interactions with the environment

Could you tell me which one is correct?

the study of organisms and their interactions with the environment