A protist has a nucleus inside of it to make it a Eukaryote, if it had no nucleus it would be consider a Prokaryote
        
             
        
        
        
<span>genetically modified food is food the has add ins
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Urochordata is another invertebrate other than hagfish.
        
             
        
        
        
I believe it would be the bottleneck effect. hope that helps =)