Plant Behaviors

Changes in an organisms environment that cause a response

• Tropism
• Hormone
• Stimuli
• Response

A plant growing in response to the sunlight. 

• Gravitropism 
• Phototropism
• Thigmotropism
• Hydrotropism

When the plant grows toward the stimuli

• Positive
• Negative

When the plant grows away from the stimuli

• Positive 
• Negative

When the plant responds to gravtiy

• Phototropism
• Thigmotropism
• Gravitropism
• Hydrotropism

Poison Ivy growing on a tree by touch.

• Gravitropism 
• Phototropism
• Thigmotropism
• Hydrotropism

The shoot of a plant growing up. 

• Positive Gravitropism 
• Negative Gravitropism 
• Thigmotropism
• Hydrotropism

What term refers to a plant growing or moving away from a stimulus?

• Touch

• Dormancy

• Tropism

• Development

Which type of tropism?

• hydrotropism
• thigmotropism
• phototropism
• geotropism (Gravitropism)

Plants that need 10 hours or less of darkness to flower.

• Day Neutral Plan

• Short Day Plant

• Day Long Plant

• Photoperiodism