Answer: 26 chromosomes.
The diploid number is the number of chromosomes required for two
sets of copies of the organism’s genome ( this is the number of chromosomes in the cells except gametic cells). The organism's genome is represented as n, and the diploid number,as 2n (2 x 13= 26). 
        
             
        
        
        
The answer above is incorrect. The correct answer is James Watson accompanied by Francis Crick.
        
             
        
        
        
Answer: producer 
Explanation:
producers such as plants and algae make their own food from the sun through photosynthesis 
 
        
             
        
        
        
You would want this observation to be in an area with a lot of biotic and abiotic factors, so the best place for it is an ecosystem.