C. Decreased death rate is the answer
        
             
        
        
        
Answer:
Biome 1: Arctic Tundra
Organism 1: Arctic Fox
Explanation:
1. This organism can be found in a cold, snowy ecosystem with long winters and short summers. 
2. The Arctic Fox is at the top of the food chain, so it has a small amount of predators. It's population would increase if there were no predators to hunt them. This would affect the ecosystem by causing a sudden decrease in the Arctic Fox's prey.
 
        
             
        
        
        
Answer:
involve calcium voltage-gated channels
Explanation:
 
        
             
        
        
        
Minneapolis is expecting a cold front meaning soon the citizens of Minneapolis will have to wear coats
        
             
        
        
        
No. At that point, you need to determine if the problem lies in the control or the staining reagents or techniques.