Not much hair, just a few bristles, but it's still there. Some mammals are small and live near you, like dogs and cats who have soft hair or fur. And hamsters, hedgehogs, rats and even bats.

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!

Symbiotic relationships are when two animals of different species live in close contact ... no matter how large or small. Freshwater mussels have a very important relationship with fish in the ...