Agriculture: Time to use: At least one standard week. The character has a good working knowlegde of crops and animal herd, and can suggest appropriate crops for a kind of soil, or explain why crop yields have been affected.
Ecology: Time to use: At least one standard month. The character has a good working knowledge of the interdependent nature of ecospheres, and can determine how proposed changes will affect the sphere. This skill can also be used in one minute to determine the probable role of a life-form within its biosphere: predator, prey, symbiote, parasitic, or some other quick explanation of its role.
Story Factors: Herd Ships: Many Ithorians come from herd ships, which fly from planet to planet rading goods. Any character from one of these worlds is likely to meet someone that they have met before if adventuring in a civilized portion of the galaxy.