Answer;
Husk.
Whole-grain flour contains all parts of the grain with the exception of the husk.
Explanation; 
Whole grain foods contains the following parts; Bran, Endosperm and Germ, originally present before processing.
Refined grains on the other hand are mainly  composed of only endosperm portion of the grain. Milling process removes bran and some also removes germ, along with the majority of fiber, vitamins, minerals, antioxidants and phytochemicals. 
        
             
        
        
        
The Roman aqueducts were an important advance in public: A) hygiene
        
             
        
        
        
Penguin is an animal that is native to a different part of the world other than the other two 
<h3>What is native species?</h3>
Native species refers to species of organisms that of a particular origin. They are organism found in a location where they are native to or have there origin there .
Therefore, Penguin is an animal that is native to a different part of the world other than the other two 
Learn more about native species below.
brainly.com/question/14188968
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...that seemed to reflect the size of seeds the birds ate.