Are letters internal or external

What adult animals look different then their babies? When should you pick up your puppy? What is the morphology of Cirripedia? How did the quetzalcoatlus protect itself? What resource is given off by plants in the carbon dioxide oxygen cycle and is necessary for the survival of animals? What is Energy-rich molecules? What continent are the Solomon islands in? Animal with out back bone? Why are okapi hunted for skin? How can I prevent my cat from using its claws while playing? What is the only animal that never sleeps? What are some common characteristics of cats with different colored fur? Is it safe to give a cat an aspirin? What are the bad things about 1080? Does animal cruelty affect the world? Can cat hair kill you if you are allergic to it? Why is interdependent better than independent? Why does my cat walk around the house crying? What should I do if my cat has a cut on her face? What are the physical features of a backyard squirrel?