Answer:
D
Explanation:
Competition occurs between organisms living in the same habitat, rely on the same resources for survival and the resource is in short supply.
So, from the given options competition will occur in rabbit habitat that have short supply of  vegetation due to due to a drought. Now rabbit will compete with each other for limited food supply for their survival.
Hence, the correct answer is  "D."
 
        
                    
             
        
        
        
Each organism is unique because of genetic variation. Each set of genes we inherit from our parents codes for a specific trait. And our DNA is a blueprint for these traits. Not everybody contains the same genes and that is why we are all so beautifully unique.
        
             
        
        
        
Answer:B. is false
Explanation:
Once RNA polymerase and its related transcription factors are in place, the single-stranded DNA is exposed and ready for transcription. ... Three of the four nitrogenous bases that make up RNA — adenine (A), cytosine (C), and guanine (G) — are also found in DNA.