Add "heliotropism" to Rooster's answer. It's diurnal response to light---similar, but not identical to phototrophism.
How do I write and explain examples of tropism?
Its best to research your question on the Internet.
I don't know what "Tropism" is.
The turning of all or part of an organism in a particular direction in response to an external stimulus.
Phototropism
Geotropism
Gravitropism
Tigmotropism
Positive Tropism.
Those are the types but there isn't enough space here to explain each one of them. You can look each one up or find images for each of them.
