# data[].attributes.headline
Indicating growth or turning movement of a biological organism, usually a plant, in response to an environmental stimulus.

# data[].attributes.subject
Indicating growth or turning movement of a biological organism, usually a plant, in response to an environmental stimulus.

# data[].attributes.body
Thigmotropism is the directional response of a plant organ to touch or physical contact with a solid object.

# data[].attributes.body
Hydrotropism is a plant's growth response in which the direction of growth is determined by a stimulus or gradient in water concentration.

# data[].attributes.body
Phototropism is the growth of an organism in response to a light stimulus.

# data[].attributes.body
Gravitropism is a coordinated process of differential growth by a plant or fungus in response to gravity pulling on it.