Answer:
I'm sorry but what exactly is your question?
 
        
                    
             
        
        
        
The DNA controls the characteristics of an organism. I
It proclaims your sex or gene.
        
             
        
        
        
Answer:
Cyanobacteria are responsible for first adding oxygen to the Earth's atmosphere.
 
        
             
        
        
        
Answer:
Mimicry
Explanation:
This can be defined as the superficial (appearing to be real until closely viewed) resemblance of two or more organisms that are not closely related. This resemblance confers an advantage maybe protection from predation upon one or both organisms by which the organisms deceive the animal agent which might be a predator. there are various types of mimicry which includes Batesian mimicry, Mullerian micmicry, Automimicry, Aggressive mimicry and other forms which do not fit into the above.
 
        
             
        
        
        
Answer:
Explanation:
An aquatic ecosystem is an ecosystem in a body of water. Communities of organisms that are dependent on each other and on their environment live in aquatic ecosystems. The two main types of aquatic ecosystems are marine ecosystems and freshwater ecosystems.Freshwater ecosystems are a subset of Earth's aquatic ecosystems. They include lakes, ponds, rivers, streams, springs, bogs, and wetlands. They can be contrasted with marine ecosystems, which have a larger salt content