Is a frog useful or not useful to man?

Frogs are used for many things but mostly medicines find out more at the related links below.

they eat flies and other incects.

There many animals that a man could use like a dog, for example.A dog helps a man mostly every single day. Like search missions, saving someones life, to steal something, or even get you the daily...

Recently scientists have become interested in the unique slime that hagfish produce and that research will probably lead to some new technology, so yes the jawless fish are useful to man.

wheels are useful to man because they help us get from place to place when attached to different types of vehicles..