B .How organisms could change .
        
             
        
        
        
Answer:
mrs weasley's genotype is  AA while Mr Weasley's genotype is AB
Explanation:
since the mating of Mr and Mrs Weasley results into = AA, AB, AA and AB
Mrs Weasley has homozygous type A blood while her husband Mr Weasley has heterozygous type A blood as well
 
        
             
        
        
        
The pelagic zone can be contrasted with the benthic and demersal zones at the bottom of the sea. The benthic zone is the ecological region at the very bottom of the sea. It includes the sediment surface and some subsurface layers. Marine organisms living in this zone, such as clams and crabs, are called benthos.
 
        
             
        
        
        
Answer:brown rice 
Explanation: Many of the nutrients in brown rice help keep your heart healthy. It's a rich source of dietary fiber, which can reduce your risk of death from heart disease. Brown rice also contains high levels of magnesium, which can help make you less vulnerable to heart disease and stroke.