You repeated the same question twice but the answer is hypothesis.
        
                    
             
        
        
        
Organic food is the product of a farming system which avoids the use of man made fertilizers,pesticides;growth regulators and livestock feed additives. 
In other words, It's a pure food
        
             
        
        
        
Answer:
Internal Fertilization: Mammals,birds and reptiles in them the mode of fertilization is internal
External Fertilization: Amphibians and fishes used external fertilization.
Egg laying Animals;Birds,reptiles and some mammals platypus lays eggs.
Explanation:
Fertilization is a process in which a female egg (Ovum) and male egg (sperm) unite to form a zygote.A zygote is a fertilized egg which grows within an embryo.The process of fertilization is important in eukaryotes such as animals, humans,birds and plants. Fertilization divides a cell into many daughter cells by the process of mitosis and meiosis.It doubles the chromosome numbers.Fertilization are of two types internal and external.
 
        
             
        
        
        
Answer:
2 NH3 (ammonia) + CO2 + 3 ATP + H2O → H2N-CO-NH2 (urea) + 2 ADP + 4 Pi + AMP
Explanation:
I found the formula for creating urine innthe body, i think its ammonia that is created by the nitrogen excess abd waste produced by the body. 
Hope this helps