Answer:
Answer is D.
Explanation:
The first cleavage division can be explained or described as the series of first cellular division of the zygote after fertilization.
In this case, the process of recoiling of the shell of the snail can not be categorized as one of the examples at this stage.
 
        
             
        
        
        
The correct option is A. 
A basic solution has a high concentration of hydroxide ions more than any type of ion and that is why it is basic in nature. An acidic solution has a higher concentration of hydrogen ions and that is why it is acidic in nature. A neutral solution has equal amount of hydroxide and hydrogen ions. Solutions are usually classified as either basic or acidic based on their hydrogen ion concentration.
        
                    
             
        
        
        
The competitive exclusion principle states that two species cannot occupy the same niche. When two species compete for the same habitat and resources, the end result is that one species eliminates the other.
 
        
             
        
        
        
Dna gives an automatic trace, ur dna is original and no one else has it so it’s easier to track
        
             
        
        
        
Any astronomical body that revolves around a larger body is called SATELLITE. <span>There are two basic types of satellite, natural and artificial satellites. Natural satellites are those that occur naturally such as the moon and the earth while artificial satellites refers to man made satellites. Man made satellites are usually designed for collection of data and for communication. Artificial satellites have the ability to collect more information in a very short time compared to ground instruments. There are many different types of artificial satellites in space.</span><span />