The sun.........................................................
        
             
        
        
        
Well first, your immune system has two main halves, innate and adaptive... the innate is the line of defense to fight off disease and bacteria, which is made up of anatomical barriers 
        
                    
             
        
        
        
Answer:
Temperature
Explanation:
catalyst have specify temperature range for their efficiency
 
        
             
        
        
        
Answer:
ovule
The fertilized ovule becomes the seed, and the ovary becomes the fruit. Petals are also important parts of the flower, because they help attract pollinators such as bees, butterflies and bats. You can also see tiny green leaf-like parts called sepals at the base of the flower.
Explanation: