Answer:
No answer.
Explanation:
Please provide more information or else we are unable to answer the question. (ex. What organisms?)
<h2>its true</h2><h2>the ecological system of organization is a gigantic scale of all sorts of sh*tt</h2>
The answer is B. Paleozoic
This era was the first era where insects, amphibians, and reptiles roamed the Earth.
Hope this helps!
I see half of it and what are you working on?