Species is the most narrow category
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1 - Diabetes is a possible answer. When to little insulin is secreted, not enough glucose is broken down, which might cause diabetes (high blood sugar levels).
2 - Hypoglicemia. When too much insulin is secreted, all glucose will be broken down, and there will be no glucose left fot the blood (low blood sugar levels.
Hope it helped,
BioTeacher101
 
        
             
        
        
        
Answer:
A Mutation is when a DNA gene is damaged or changed in  a way that changes the genetic message carried by that gene.
Explanation:Mutations are sometimes good and sometimes bad it can also cause genetic variation which increases the survival of a species
 
        
             
        
        
        
Answer:
I think it's the second one or first one