A unique feature of the nucleus is that it disassembles and re-forms each time mostcells divide. At the beginning of mitosis, the chromosomes condense, the nucleolus disappears, and the nuclear envelope breaks down, resulting in the release of most of the contents of the nucleus into the cytoplasm.
Hope that helped
        
             
        
        
        
<span>When the genes propagate from one area to another. 
The founder effect happens when genetic diversity declines due to an external larger group of organism invades a set of current living population. An example of this process is when the British colonies invaded the Mesoamerican continent where native americans lived and were outrun by the British colones, especially since many wars were made and ethnic cleansing. </span>
        
             
        
        
        
The answer is near the equator. Hope that helps!
 
        
             
        
        
        
Answer:
Hominid brain size began to expand rapidly at some point between 800,000 and 200,000 years ago.
Hope this helps :)
 
        
             
        
        
        
The correct option is this: IT IS RELIABLE BECAUSE THE ARTICLE IS BASED ON MULTIPLE STUDIES DONE BY SCIENTISTS AT MULTIPLE VETERINARY SCHOOLS.
For a scientific information to be considered reliable and valid, it must have been tested and confirmed by different scientists in that particular area of study. A scientific information that has been severally tested  and approved by many scientists is always considered reliable and acceptable.