<span>The correct answer here is option D - when comparing the digestive and urinary system, we can conclude that they both have functions of absorbtion and elimination. In both systems, important nutrients are absorbed into the blood stream, whilst toxins and waste are filtered out.</span>
They are similar to animals because they can move and they are heterotrophs (heterotrophs are organisms that cannot manufacture their own food and instead get their food and energy by taking it from organic substances like plant matter).
There are three different types that can cause it Type A B and D
