brown
round worms are round and flat worms are flat!
no they are different
sponges are alike to worms
There different colors emitted
no, current did not have different colors
Skin is technical term used for Vertebrates only , worms possess integument which is epithelial and different in different worms .
Leeches are worms and they are attracted to blood. They can be dark brown, as well.
Colors enter the world by the sun. The rays are made of different colors but they have different tempetures so when they enter the world, they have different colors for different things.
There are lots of different kinds of worms. Some wormslive under water, like Ragworms, Green Paddle Worms, and Honeycomb Worms. Those are my favorites. I don't now much about land worms.
Different impurities give it different colors.
they are in my moms asss(: they are different colors(: