Unit 4.3 Plants and Their Systems

What are the levels of organization in plants?

• Plants have cells, but not tissues.

• Plants are made up of cells, tissues, organs, and organ systems

• Plants contain cells and tissues, but not organs.

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

___________________________ is growth that happens in organisms in response to light, such as a stem bending toward a light source.

• transpiration

• gravitropism

• phototropism

Tags

NGSS.MS-LS1-5

_________________ is something that causes a response from an organism.

• geotropism

• emergence

• stimulus

• water

Tags

NGSS.MS-LS2-4

An example of a positive tropism to gravity is the ________________.

• shoot system growing down

• root system growing down

• shoot system growing up

When the plant cells contain a lot of water, the water exerts force on their cell walls. This force is called _____________________>

• force pressure

• transpiration

• turgor pressure

• out side pressure

Tags

NGSS.MS-LS1-2

The plant hormone response to the

force of gravity

• Phototropism

• Geotropism

• Thigmotropism

• Transpiration

Tags

NGSS.MS-LS1-5

What type of tropism is seen here with the ivy plant growing around the wooden stake?

• phototropism
• geotropism
• thigmotropism
• hydrotropism

Wilting is a plant's response to:

• High turgor pressure

• Low turgor pressure

• Gravity

• Sunlight

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

This plant's response to touch is ???

• Phototropism

• Germination

• Thigmotropism

• Gravitropism/geotropism

What is the force inside the central vacuole called?

• The Force

• Turgor Pressure

• Water Pressure

• Thigmotropism

Tags

NGSS.MS-LS1-2