The correct answer is B, mechanical isolation. We know that mechanical isolation prevents two species’ gametes from successfully combining to form a healthy embryo. I hope I helped! :)
Feel free to leave a comment down below if you need me to further explain my reasoning.
        
             
        
        
        
The average male American mens height is 177 cm, which is 69.7 inches, which is approximately 5 foot – 10 inches tall. (for white males*). A height chart for men of "White" race/ethnicity*, showing average height changes with age. (hint: 5 feet tall is 60 inches or 152 centimeters.
        
                    
             
        
        
        
Answer:
A ko false B ko true C ko false D ko true
 
        
                    
             
        
        
        
Answer: c Blue whale
Explanation:omnivore is
an animal or person that eats food of both plant and animal origin.
Blue Whale is a carnivorous animal that despite the fact that it doesn't have proper teeth, survives on a diet that is mainly comprised of krill and small crustaceans, along with the occasional small fish.
 
        
             
        
        
        
When you combine the genotypes in the Punnet square you get :
1. EeRR
2.Eerr
3.EeRr
4.eerr
The ratio would be typical for a dihybrid cross: 9 of the individuals with both dominant traits, 3 of the individuals dominant for one trait, 3 dominant for the other trait and only one recessive for both traits.
There will be 9/16 of ebony flyes with red eyes
3-16 of ebony flies with orange eyes
3/16 of yellow flies with red eyes
1/16 of yellow flies with orange eyes