One of the things that koalas and frogs have in common is that they are both endangered animals. According to the two articles, Project Frog and The Koala Search, they are both endangered because of humans. Furthermore, humans are destroying their habitats. Fortunately, people are trying to help make sure koalas and frogs do not become extinct. Those are some ways how koalas and frogs have things in common.
Some ways how koalas and frogs have in contrast is that a girl is trying to help frogs not to become extinct, while a scientist is trying to make sure koalas do not become extinct. Moreover,