<span>Living things respond to stimuli in the environment.</span>
        
             
        
        
        
Carbon is a very common "ingredient" of matter. The reason? Carbon can combine with itself and with many other elements to form a great diversity of compounds. The compounds can also range in size from just a few atoms to thousands. There are millions of known carbon compounds. Carbon is the only element that can form so many different compounds
        
             
        
        
        
Answer: D
Explanation:
It is a parrallel circuit so it would not matter if one of the bulbs were not to work.
 
        
             
        
        
        
Answer:
Most prokaryotes lack well defined organelles. 
Explanation:
Prokaryotes are the unicellular organisms which have no true nucleus while eukaryotes have true nucleus. True nucleus means that the membrane is present around the nucleus and other organelles. Many organelles are also absent in prokaryotic cell such as mitochondria, cell wall, golgi bodies, endoplasmic reticulum, lysosomes, ribosome and vacuole.