Which structure of the respiratory system plays the main role in carry out the system’s primary function?
a.) trachea
b.)pharynx
c.)alveoli
d.)nose

The Correct Answer Is:

C) Alveoli

Hope this helps :)

primary succession begins with a bare rock and ends with a forest secondary succession begins after a natural disaster where there is a temporary setback after a forest fire or local destruction, but the surrounding area can fill in

the answer is: trichonympha lives in the gut of termites and digests cellulose eaten by the termite.

this is an example of a symbiotic association of a protozoan with its mode of association.

hope i

-lavira: )