Fill in the Blanks Amazing Animals - Reading 1Online version Fill the blanks with correct words by Nguyen Minh Thien 1 All animals can and , but they're in many amazing ways . Here we look at how they are the same and how they are different . This helps us put them into . All birds have two legs , two , and , and most birds can . The wings and feathers help them fly and the help keep them . Birds with hard shells . They keep the baby birds inside safe from animals that want to eat them . Fish have to help them in water . all over their bodies help keep them safe from fish that want to bite them . They don ? t have , but their and tails help them swim . Fish lay their eggs in water , and their eggs are . Amphibians are very interesting because they can live on and in . Amphibians need to have skin , so they live in wet places . They their soft eggs in water . They have when they ? re young and the gills help them in water . Most amphibians , like frogs , have legs that help them walk and jump on land . Some mammals live on and some live in . are water mammals , and cats , rabbits , and lions are land mammals . Hair or covers most land mammals ? bodies and this helps keep them . People are mammals too ! Mammals don ? t lay eggs . Their babies drink from their .