Typically it'd be called spawning or in some cases it could be called "roe". 
So either "spawn" or "roe".
        
                    
             
        
        
        
Mass is measured by using a balance comparing a known amount of matter to an unknown amount of matter. Weight is measured on a scale.
 
        
             
        
        
        
Answer:
The tissues of multicellular, complex animals are four primary types: epithelial, connective, muscle, and nervous. Recall that tissues are groups of similar cells group of similar cells carrying out related functions.
Explanation:
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The elements are pure forms of matter that cannot be broken down into simpler substances.