Plants respond to stimuli

How do plants respond to gravity?

• the roots and stem both grow downward

• the roots grow downward and the stem grows upwards

• the roots and stem both grow upward

• the roots grow upward and the stem grows downwards

Which way do leaves grow?

• against gravity and towards the light

• with gravity and towards the light

Tags

NGSS.MS-LS1-5

Plant roots grow downwards, anchoring it into the soil. To what stimulus is the plant responding?

• sunlight

• water

• gravity

• light

• touch

How do stems respond to light?

• Stems grow away from the light.

• Stems grow towards the roots.

• Stems grow towards the light.

Tags

NGSS.MS-LS1-5

If we turned a tomato plant upside down, what would the leaves and stem do?

• The leaves and stem would respond to the light and grow upward.

• The leaves and stem would respond to gravity and grow downward.

• The leaves and stem would not respond to any stimulus.

Tags

NGSS.MS-LS1-5

If we turned the same tomato plant upside down, the roots would....

• begin to grow upwards against gravity

• begin to grow downward responding to gravity

• stop growing

Tags

NGSS.MS-LS1-5

Dereck puts a plant near his window. How does the plant respond to the light?

• The stem and leaves grow away from the light.

• The roots grow downward.

• The stem and leaves grow toward the light.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

NGSS.MS-LS2-1

Which way do the roots grow?

• Roots grow with gravity.

• Roots grow against gravity.

Tags

NGSS.MS-LS1-5

Which way does the stem grow? (2 answers are correct)

• Stems grow against gravity.

• Stems grow with gravity.

• Stems grow towards the light.

• Stems grow away from the light.

Bonus*****

In a Venus Flytrap plant, what is the stimulus that causes the plant to close when a fly lands on it?

• gravity

• touch

• sunlight

• water