Animals can be divided into groups ... Reptiles can live in many different places, like deserts, forests, and oceans. Some examples of reptiles are snakes, lizards, crocodiles, and turtles!

The offspring of crosses between related species can sometimes fill a new environmental niche ... creating a hybrid called a narluga that looked a bit like both. The animal’s 18 teeth were small, like ...

A study of fruit flies shows some species are highly susceptible to a wide range of viruses. In the study -- by the University of Exeter -- 35 fruit fly species were exposed to 11 different viruses of ...