Countless Earnhardt fans honor The Intimidator by remaining fans of Dale Jr. It's a family tradition. And although Dale Jr. has not enjoyed the success of his father, few drivers enjoy his popularity. Earnhardt Jr. has, in fact, been voted NASCAR's most popular driver each of the last eight years.
A colloid is a mixture of a small insoluble particles that are dispersed in a medium and do not settle out (in any practical period of time). colloid is a type of mechanical mixturewhere one substance is dispersed evenly throughout another.
Jellyfish do not have a specialized circulatory system, but they use diffusion as a way to circulate materials throughout their body. Almost every cell is in contact with the environment and so they are in direct contact with the nutrients and materials they need.