You encounter a plant that has green structures on tall brown stalks. Which kind of plant is this, and what are the green structures? (1 point)
Responses
It is a nonvascular plant, and the structures are roots.
It is a nonvascular plant, and the structures are roots.
It is a vascular plant, and the structures are leaves.
It is a vascular plant, and the structures are leaves.
It is a nonvascular plant, and the structures are leaves.
It is a nonvascular plant, and the structures are leaves.
It is a vascular plant, and the structures are roots
It is a vascular plant, and the structures are leaves.
Some plants have sugar in their roots. How does this adaptation help with survival?(1 point)
Responses
The sugar attracts animals to eat the roots.
The sugar attracts animals to eat the roots.
The sugar can help the plant survive by storing energy.
The sugar can help the plant survive by storing energy.
Having the sugar under the ground keeps animals from finding and eating it.
Having the sugar under the ground keeps animals from finding and eating it.
The sugar is used to create new plants.
The sugar can help the plant survive by storing energy.
Which adaptation in a berry plant is for reproduction? (1 point)
Responses
flowers on the plant
flowers on the plant
thorns on the stem
thorns on the stem
sugar in the berries
sugar in the berries
chlorophyll in the leaves
flowers on the plant
How do tropisms help plants survive?(1 point)
Responses
Plants grow toward things they need.
Plants grow toward things they need.
Plants create their own food using chlorophyll.
Plants create their own food using chlorophyll.
Plants grow together with other plants.
Plants grow together with other plants.
Plants limit their needs in harsh conditions.
Plants grow toward things they need.
Use the scenario to answer the question.
A student is studying the effects of sunlight on tomato plants. She chooses 6 tomato plants, making sure that each of them receives the same amount of water and fertilizer each day. She gives one plant 0 hours of sunlight each day, with the other 5 plants receiving 1, 3, 5, 7, and 9 hours of sunlight. At the end of the experiment, she has people try a tomato from each plant and has them rank the fruits by their sweetness. She also records the total number of leaves produced on each tomato plant.
Which variable was controlled in the experiment?
(1 point)
Responses
number of leaves
number of leaves
hours of sunlight
hours of sunlight
amount of water
amount of water
sweetness of fruit
The variable that was controlled in the experiment is the amount of water.
A plant is observed to have deep roots and tendrils that wrap around objects. Which pair of tropisms correctly describe these responses?(1 point)
Responses
phototropism and thigmotropism
phototropism and thigmotropism
geotropism and phototropism
geotropism and phototropism
hydrotropism and geotropism
hydrotropism and geotropism
hydrotropism and thigmotropism