Threatened is the definition used when describing a species at risk of extinction
        
                    
             
        
        
        
c), mitosis; meiosis ... Which of the following statements about human reproduction is true? ... b), Each cell undergoing mitosis divides into two complete new cells that are ... a), Sperm and ova are not identical to the parent cells that produced them. ... a), Mitosis produces cells that have a haploid number of chromosomes.
 
        
             
        
        
        
Answer:
it is based on observation becasuse you dont automaticly lknow everythig in science sorry about the spellig
Explanation:
 
        
             
        
        
        
Enzymes are biological catalysts that speed up a reaction
        
                    
             
        
        
        
Answer:
If predators increase then prey would decrease. 
Explanation:
wow, this is hard, lol. I found one but there is one I am just not sure about but I did find one more for you and hope its not too late.