The correct answer is choice B. Nondisjunction.
Nondisjunction disorder occurs when either the homologous chromosomes or the sister chromatids fail to disconnect properly during cell division. This failure results in daughter cells with an abnormality in chromosomes. 
I hope this helps you and have an awesome day!! :)
        
             
        
        
        
Hey there,
Answer: <span>The mouse, because it is an Endothermic and therefore its standard metabolic rate is higher than the lizard's standard metabolic rate.
Hope this helps :D
<em>~Top♥</em></span><span>
</span>
        
             
        
        
        
<span>C. the amount of pressure the solvent is under</span>
        
             
        
        
        
Answer:
I think the answer is gonna be B
 
        
             
        
        
        
<span>Scientists consistently link two catastrophic events with the five major mass extinctions recorded throughout Earth's history. These two events are
A) global ice ages and the impact of asteroids. 
Global ice ages led to the extinction of many populations over time, whereas when asteroids hit Earth, dinosaurs disappeared, among other species.
</span>