Answer:
Enzymes are biological catalysts. Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate. Thus enzymes speed up reactions by lowering activation energy.
 
        
                    
             
        
        
        
The reptile's body temperature rises when the external temperature rises. When the temperature drops, so does his body temperature. If a reptile feels cold because the external temperatures have made his blood cold, he'll lie in the sun to warm up. However, if the external temperature is too high, he scurries under a rock, dives in a pool or finds some kind of shade where he can cool down. Reptiles and other animals with ectothermic systems are vulnerable to extreme changes in temperature because they can't control their temperatures internally. They can control their body temperatures only by moving to an environment with a suitable ambient temperature.
 
        
             
        
        
        
The practice of caloric restriction involves consuming a balanced diet but restricting your caloric intake by approximately 25% below the level of energy consumed in a freely chosen diet.
 
        
             
        
        
        
Wash your hands
Clean and sanitize surfaces
        
             
        
        
        
Answer: belong to the Kingdom Protista. ... This is because Euglena just like plants can make their own foods through chloroplast while paramecium just like animals cannot make own food
Explanation: