<span>Epithelial and connective tissues combine to form four types of membranes: mucous membranes (epithelial tissues are moist), serous membranes (line cavities that are not open to the outside environment), cutaneous membranes (skin that covers the surface of the body), and synovial membranes (produce synovial fluid).</span>
        
             
        
        
        
What are the answer choices?
        
             
        
        
        
Animals help plants by pollinating them, helping them to disperse seeds.
        
             
        
        
        
To compare the average weight of mallards raised on corn to the average weight of mallards raised on rhubarb. Thus option D is correct.
<h3>What is hypothesis testing?</h3>
In statistics, hypothesis testing is a method for determining if survey or experiment results are relevant.
To compare the average weight of mallards raised on corn to the average weight of mallards raised on rhubarb. this experiment is to be done in order to best test this hypothesis.
Learn more about hypothesis testing here:
brainly.com/question/1506480
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