It responds to stimulus
The three plant tropisms include geotropism, thigmotropism,hydrotropism and photoperiodism.
8
Tropisms is the response to an external stimulus in a specific direction.
The dairy industry.
Tropisms
Jacques Loeb
Though the farmers aren't known as large grain producers, they will take advantage of these prices during the growing season.
the rich white men
innate
The railroads knew that the farmers needed the railroads to travel and trade so the prices were raised purposely to control the farmers.
The four tropisms are: "Hydo-tropism" "Photo-tropism" "Geo-tropism" "Thigmo-tropism" MerchantMooMoo summons his milk!
The Nile flooded at regular intervals; whereas the Tigris and Euphrates, irregularly.