D. lactobacillus is the right answer
        
                    
             
        
        
        
Answer:
it is one of three typesof cells, bacillus, coccus, and spirilium
Explanation:
bacillus looks like this   
 
        
             
        
        
        
Single or multi-celled structure, membrane-bound organelles, cell(s) larger than prokaryotes
        
                    
             
        
        
        
An organism that eats decomposed items. For example plant detritus.
        
             
        
        
        
Answer:
lose more heat to the environment in cold environments
Explanation:
This is because as an animal have large surface area, it is exposed largely and prone to loss of heat. The larger the size of an animal, the larger the surface area and volume. It's surface area expose the tendency for the animal to sweat alot , through sweating heat is loss to the environment. In cold environment, the animal try to maintain internal homeostasis and through this heat is generated and loss to the environment.