Answer:
<h3>Biologists study humans, plants, animals, and the environments in which they live. They may conduct their studies--human medical research, plant research, animal research, environmental system research--at the cellular level or the ecosystem level or anywhere in between.</h3>
 
        
             
        
        
        
Meiosis is a special type of cell division in sexually-reproducing organisms used to produce the gametes, such as sperm or egg cells. 
 
        
                    
             
        
        
        
It is true that situational context is the social and environmental setting in which a particular behavior takes place.
        
                    
             
        
        
        
Temperature and pH levels are both correct