A plant is placed near a window. Instead of growing straight up, the plant grows toward the window. What is this plant demonstrating?(1 point)
Responses
dormancy
dormancy
thigmotropism
thigmotropism
gravitropism
gravitropism
phototropism
phototropism
phototropism
The stem of a plant is growing upward while the roots grow downward. Which of these stimuli correctly describes the response of the plant?(1 point)
Responses
touch
touch
gravity
gravity
light
light
temperature
gravity
The stem of a plant is experiencing phototropism. Which statement correctly describes the plant’s response?(1 point)
Responses
The stem moves toward the light for better photosynthesis.
The stem moves toward the light for better photosynthesis.
The stem grows upward because larger cells are growing.
The stem grows upward because larger cells are growing.
The stem moves away from the light for better photosynthesis.
The stem moves away from the light for better photosynthesis.
The stem bends to the sides because there are smaller cells on sides.
The stem moves toward the light for better photosynthesis.
Question
A scientist plants seedlings in different conditions to demonstrate how plants respond to their environment. Which of these observations provides evidence of gravitropism?(1 point)
Responses
Seedlings planted in containers that are tipped over sideways grow sideways.
Seedlings planted in containers that are tipped over sideways grow sideways.
Seedlings planted in containers that are tipped over sideways extend their roots downward.
Seedlings planted in containers that are tipped over sideways extend their roots downward.
Seedlings planted near a stick wrap around the stick.
Seedlings planted near a stick wrap around the stick.
Seedlings planted away from a source of sunlight grow toward the light.
Seedlings planted away from a source of sunlight grow toward the light.
Seedlings planted in containers that are tipped over sideways extend their roots downward.
Which condition is most likely to cause a plant to respond with dormancy?(1 point)
Responses
being exposed to cold temperatures
being exposed to cold temperatures
growing by nearby water
growing by nearby water
growing in limited sunlight
growing in limited sunlight
being touched by a stick or branch
being exposed to cold temperatures
Which of the following is an abiotic factor of a biome?(1 point)
Responses
trees
trees
birds
birds
insects
insects
water
water