[1] an elephant than a giraffe [2]-a kangaroo than a lizard [3]-a tiger than a dog [4]-a hippo than a seal [5]-a monkey than a parrot

1) shorter 2)bigger 3)taller 4)fatter 5)funnier

An elephant is shorter than a giraffe
A kangaroo is bigger than a lizard
A tiger is taller than a dog
A hippo is fatter than a seal
A monkey is funnier than a parrot