Water Transport
walking
Ships.
endocytosis
The oldest form of writing was with pictures
Brewing is the oldest form of biotechnology
The oldest form of money is cattle
The trade of goods is recognized as the oldest form of business.
Walking is the oldest. Riding (or being pulled by) an animal is the second oldest. The oldest mode not requiring the energy of a living creature (other than to steer) is sailing.
Passive Transport
The oldest musical form in Japan was from the string instrument known as the Koto.
Incorrect grammar: old, older, and oldest are adjectives.Oldest is the superlative form, where one is the oldest of a group, or something (someone) is the oldest it has been (e.g. "In its oldest form, the automobile was a wagon.")