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 am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which is the best explanation of the term ecology?
Possibilities:
- 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

the study of organisms and their interactions with the environment