B.extinction of large animals
        
                    
             
        
        
        
Black channel is what it is I believe
        
             
        
        
        
Answer:
They both live in the water
They are both vertebrates
They both have fins
Explanation:
Whales are warm-blooded; fish aren't
Whales have to surface to breathe; fish don't
Whales give birth; fish lay eggs
 
        
             
        
        
        
The way to memorize Erikson's stages of development is by the use of Mnemonic Device.
<h3>What is mnemonic device?</h3>
This is known to be a kind of  memory method that often help a person to be able to  increase your ability to remember and retain any kind of information. 
Note that Mnemonic techniques act as a kind of memory aids and as such, The way to memorize Erikson's stages of development is by the use of Mnemonic Device.
Learn more about Erikson's stages from
brainly.com/question/3867033
#SPJ11