Contrary to what you may have heard, ringworm is caused by a fungal infection, not an actual worm. (Photo Credit: Science Photo Library/Getty images) Myth 1: Ringworm is caused by a worm.

For example, priapulids exhibit a single ventral nerve cord, while loriciferans and kinorhynchs have paired nerve cords, with kinorhynchs also developing paired ganglia. Did the ancestral ...

Earthworms are common soil organisms and have attracted the attention of many of us because they occur in gardens, parks, agricultural regions, and natural ecosystems. They can be grouped according to ...