Prostomium and mouth

Asking where earthworms live may seem like a silly question. Doesn’t their name say it all? Soil may appear to be a homogeneous place to you...

Charles Darwin is well known for his work on natural selection. He published widely on topics ranging from barnacles to geology to plants. He travelled the...

To most of us, one earthworm resembles another. Although earthworms do have common characteristics, species differ widely in their size, skin colour and in the roles...