If you were an ecologist what is the organism would study in list five abiotic and biotic things it is connected to

/the trachea, commonly known as the windpipe

i believe the correct answer from the choices listed above is the first option. the scientists need to look at the   validity of data, claims, hypotheses, and observations before  developing an argument. they base their arguments on facts that are present and they make sure they have proofs. 

explanation:

it's c. (to reduce the greenhouse effect/carbon gasses)

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link: