Through diffusion is the answer
<span>
are always unicellular
may have evolved from prokaryotes
</span><span>are more primitive than prokaryotes
</span>
Answer:
Cellular Respiration
Explanation:
In cellular respiration, animals take in O2 (oxygen) and exhale CO2 (carbon dioxide).
I believe the answer is commensalistic because it wouldnt be parasitic because the other isnt getting harm and its not mutual because both aren’t benefitting from it
