Answer:
6H2O + 6CO2 ----- C6H1206 + 6O2
 
        
             
        
        
        
Based on the description of events, being that the lizard population appears to increase as soon as the snake population decreases, it appears that the snakes prey on the lizards. This suggests that the snake is a keystone species. A keystone species is one that has a dramatic effect on maintaining the balance of an ecosystem. As soon as the snake population decreases, major changes occur to the ecosystem, such as the lizard population increasing.
Therefore, the answer is D: <span>The snake is a keystone species in the ecosystem.</span>
        
                    
             
        
        
        
Warm water. The higher the temperature or thermal energy, the faster the molecules move.<span />