Answer:
Explanation:
Organisms are well preserved in mud because mud has high water holding capacity. It retains water and does not allow oxygen flow which can destroy the remains of organisms. There are some microbes that preserved whose growth are enhanced in water related environment like mud.
But sand cannot retain or hold water. It drains it off and all oxygen bearing water to flow which enhance decay compared to mud. It can't preserve organisms because of the above reasons.
 
        
                    
             
        
        
        
Metamorphosis is a type of homeostasis. A. is the correct answer.
        
             
        
        
        
Cold front
If you don’t know the compass, just go by Never Eat Soggy Waffles
North East South West
        
             
        
        
        
Answer:
lactose, repressor, RNA polymerase (or mRNA might fit here), transcription, repressor, RNA polymerase
Explanation:
Hope this will help. 
 
        
             
        
        
        
Answer:
A and B
Explanation:
His most important observations were made on the Galápagos Islands. Darwin was influenced by other early thinkers, including Lamarck, Lyell, and Malthus. He was also influenced by his knowledge of artificial selection. Wallace's paper on evolution confirmed Darwin's ideas.