What is tropism?
a type of plant hormone
a plant movement
a response to the surroundings or environment
always based on the position of the sun
What is phototropism?
a plant's response to light
a plant's response to a solid object
the same thing as photosynthesis
a plant's response to chemicals
What is thigmotropism?
a plant's movement in response to light
a plant's response to encountering a solid object
the same thing as thigmosynthesis
you made that up
When a plant's root grows around a rock in order to get deeper into the soil, this is an example of __________.
thigmotropism
phototropism
chemotropism
gravitropism
When a plant's root grows deeper into the soil because it is growing away from sunlight, this is called __________.
What is gravitropism?
a plant's growth response to gravity
a plant's growth response to gravel
a plant's growth response to a judge's gavel
a plant's growth response to Tom Waits
What is chemotropism?
a plant's growth response to light
a plant's growth response to an object
a plant's growth response to a chemical
When a plant's leaves grow up against gravity and towards sunlight, which tropisms are at play?
When a pea plant's tendril curls around a string, which tropism is being observed?
How often does this flower point at the sun?
All day long.
Once per day.
Never.
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