"REPRODUCTIVE ISOLATION" needs to occur for speciation to happen.....
Answer:
Genes & DNA
Explanation:
Heritable traits are known to be passed from one generation to the next via DNA, a molecule that encodes genetic information.Organisms inherit genetic material from their parents in the form of homologous chromosomes, containing a unique combination of DNA sequences that code for genes.
Do a cross graph with B and W
The Chinese. All other cultures most like did not support astronomy.
