Plant Tropism + Food Web SW

The word Tropism mean_________

• growth in response to stimuli
• to create something new
• Chemical energy
• Taproot system

What does it mean if a plant has a POSITIVE phototropism?

• That the plant grows toward light.
• That the plant grows away from light.
• That the plant grows toward gravity.
• That the plant grows away from gravity. 

What does it mean if a plant has a NEGATIVE gravitropism?

• That the plant grows toward light.
• That the plant grows away from light.
• That the plant grows toward gravity.
• That the plant grows away from gravity. 

Plants curling around a pole or mailbox is an example of:

• Phototropism

• Germination

• Turgor pressure

• Thigmotropism

What type of tropism response to water? 

• Hydrotropism
• Gravitropism
• Thigmotropism
• Phototropism

What does Negative Tropism mean?

• Not growing at all

• Growth toward the stimulus

• Growth away from the stimulus

What does Positive Tropism mean?

• Not growing at all

• Growth toward the stimulus

• Growth away from the stimulus

What type of tropism response to touch? 

• Gravitropism
• Phototropism
• Thigmotropism
• Hydrotropism

Which of the following is NOT a type of tropism?

• Phototropism

• Electrotropism

• Gravitropism

• Thigmotropism

Changes in an organisms environment that cause a response

• Tropism
• Hormone
• Stimuli
• Response