Tropisms Notes

Presentation

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Science

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6th - 8th Grade

•

Medium

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NGSS

MS-LS1-5, MS-LS1-6, MS-LS2-1

Standards-aligned

Azalea Wagner

Used 119+ times

FREE Resource

9 Slides • 18 Questions

Multiple Choice

A plant's response to any stimulus

dormancy

tropism

hibernation

pollination

Multiple Choice

A plant's response to touch

thigmotropism

geotropism

hydrotropism

dormancy

Multiple Choice

Water, light, ,earth, and touch are examples of

dormancy

tropisms

stimulus

hibernation

Multiple Choice

The movement of roots toward the ground or the movement of stems away from the ground

hydrotropism

geotropism

thigmotropism

phototropism

Multiple Choice

The movements in a plant in response to light

phototropism

geotropism

hydrotropism

thigmotropism

Multiple Choice

What is the stimulus in this example?

Internal

Light

Touch

Temperature

Multiple Choice

A plant growing in response to a greenhouse light.

Geotropism

Phototropism

Thigmotropism

Hydrotropism

Multiple Choice

Venus Flytrap flower reacts to a bug.

Thermotropism

Negative Geotropism

Thigmotropism

Hydrotropism

Multiple Choice

Sunflowers turning towards the sun.

Hydrotropism

Phototropism

Thigmotropism

Geotropism

Multiple Choice

If a plant experiences a gravitropism, then it will do what?

Grow toward or away from light.

Grow away from light.

Grow toward light.

Grow in response to gravity.

Multiple Choice

What type of tropism response to gravity?

Hydrotropism

Phototropism

Thigmotropism

Gravitropism

Multiple Choice

A change in an organism’s external environment that causes a response from the organism.

External Stimuli

Internal Stimuli

Energy Transformation

Turgor Pressure

Multiple Choice

A change in an organism’s internal environment that causes a response from the organism.

External Stimuli

Internal Stimuli

Energy Transformation

Turgor Pressure

Multiple Choice

The growth (or response) of a plant towards or away from TOUCH.

Phototropism

Geotropism

Thigmotropism

Hydrotropism

Multiple Choice

An organism’s ability to maintain steady internal conditions when outside conditions change, also called maintaining balance.

Homeostasis

Hormones

Hydrotropism

Homer

Multiple Choice

In plant cells, the force, exerted by the flow of water, within the cell that pushes the plasma membrane against the cell wall. This force gives plants structure and helps them stand up and not wilt.

External Stimuli

Internal Stimuli

Energy Transformation

Turgor Pressure

Multiple Choice

What plant cell process is being shown in this video after the water is added to the soil?

The plant cell vacuoles are filling with water and increasing turgor pressure.

The plant cell vacuoles are losing water and decreasing turgor pressure.

The plant cell vacuoles are loosing water and starting to collapse from gravitational pressure.

The plant cell vacuoles are responding to light and forcing the plant to grow upwards.

Multiple Choice

Why do plants develop tropisms (which help them maintain homeostasis and stay alive)?

Plants need food and water to live. They grow towards sources of food in the soil in order to eat.

Plants depend on people to keep them alive and well. Tropisms are designed to help people understand why plants only respond when people water them and keep them in the sunlight.

Plants need light and water for photosynthesis. They have developed responses called tropisms to help make sure they grow towards sources of light and water.

Tropisms are not important for plant growth and homeostasis. The correct answer is not shown here.

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