I think flatworms because im pretty sure they have a ganglia/ganglion
<span>ended legal segregation,removed barriers to voting, and led to more a.a's holding political office</span>
Answer:
See Explanation
Explanation:
Over the course of Earths' History, there have been 5 major ice ages ever recorded. The times of these range over billions of years of course, but the one to affect humans 2 have affected us dramatically!
Hope this helps!