The study of distribution of living organism is kow as demography, while studying their fosils is known as paleantology.
        
                    
             
        
        
        
Answer:
They house cell bodies of somatic motor neurons.
Explanation:
 
        
                    
             
        
        
        
Answer: The answer is B
Explanation:
sea cucumber lives in the ocean
 
        
                    
             
        
        
        
Answer:
The correct answer is e. secondary and tertiary consumers
Explanation:
In the given food chain pepper plants are the producer which are consumed by snails and grasshoppers so grasshoppers and snails are primary consumers. Spiders are secondary consumers as they eat primary consumers like grasshoppers.
Shrew eat animals that are primary and secondary consumers like snail and spiders so when shrew eat primary consumers it becomes secondary consumer and when it eats secondary consume like spiders than shrew becomes a tertiary consumer.
Therefore the shrew occupies the trophic level of secondary and tertiary consumers.