qT=2&tQ=Which of the following statements about penguins is correct?&tC=They are covered in fur|Their fur is similar to human hair|They are mammals|They are covered in feathers&cC=4&fB=Penguins look sleek and fuzzy, but they are actually covered with small, dense feathers. All birds have feathers.<br><br>Penguins are able to withstand the extreme cold because their short, densely-packed feathers form insulation and a waterproof coat. In fact, they have more feathers than most other birds--about 80 feathers per square inch.