Symbiosis--What's It About?

Have you ever wondered how organisms work together?  One of the basic ideas in biology is that no organism exists by itself...all organisms exist in a world together, working together, and depending on one another.  Symbiosis simply means "working together".  However, there are lots of different ways that organisms do this, and it doesn't always mean that they are being helped!  Many are actually harmed.  Let's take a look together at the different types of symbiosis and predator/prey relationships!