The fact of many different things or people being included in something; a range of different things or people
Diversity definition, the state or fact of being diverse; difference; unlikeness: diversity of opinion
I believe it is Nerve Cells
Correct me if I'm wrong.
Species have similar characteristics, but they are rarely, if not never, identical; the difference between them is variation!
Hope this helps! :)
1. Topographic map: I want to take a nature hike through the woods. I wonder if it is hillly?
2. Geologic Map: I want to study the physical features of my area, but also know what kinds of rocks it has.
Those should be the answers.
Hope this helped :) Have a great day