After the rise of the Roman Empire they all slip up and many went to Europe.
Answer:
D. Apartments became crowded
Explanation: :)
The correct answer is: Mendel developed his laws of heredity.
The publication in 1866 of the laws formulated by Mendel on<em> the heredity of characters in sexual reproduction </em>was contemporaneous with the evolutionary hypothesis developed by Darwin in his book <em>On the origin of species by means of natural selection </em>in 1859.
/~\The correct answer is:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<em><u>The Sunna</u></em>
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
I hope this helps! /~\
