Answer:
False.
Explanation:
Monohybrid cross may be defined as the cross done by taking the single character at the time. The monohybrid cross explains the concept of dominance and law of segregation.
The P1 parent of monohybrid cross doesnot have completely identical genes. This can be explained by the cross shown below:
 Parent         Tt           ×       tt
Gamete         T  t           ×     t
Here, the parents are not identical.   
Thus, the answer is falsi.       
 
        
             
        
        
        
Answer: It's c
Explanation:
When we need more oksigen our body reacts and make heart to beat more faster so there will be more blood circulating and will compensate the dyoksid carbon that is produce with oksigen
 
        
             
        
        
        
The principle of faunal succession<span>, also known as the law of </span>faunal succession<span>, is based on the observation that sedimentary rock strata contain fossilized flora and fauna, and that these fossils succeed each other vertically in a specific, reliable order that </span>can<span> be identified over wide horizontal distances.</span>
        
                    
             
        
        
        
Answer:
Planet Y
Explanation:
Planet Y has the smaller period because it takes less time to orbit the star. This is because it has less distance to travel compared to X.