Stimuli and Response

What type of tropism response to water?

A vine plant brushes against a fence and wraps itself around the fence. What type of tropism is occurring here?

A stimulus is ___________

• a change in an organisms surroundings.

• process in which organisms grow larger.

• a reaction to a change in surroundings

• tropism

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

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

• Touch

• Dormancy

• Development

• Tropism

Which of the following plants response towards touch?

• 
• 
• 
• 

Changes in an organism's environment that cause a response

• Tropism

• Stimuli

• Hormone

• Response

What is response?

• Answering a question

• Organism's reaction to a stimulus

• A flower

• All of these

Tags

NGSS.MS-LS1-8

Which of these statements relate to Response?

• Event or condition which initiates a response

• external or internal, and those could be of any magnitude.

• may be physical or cellular, or it may be behavioral

• None

What is watering of mouth?

• Reflex action

• Response

• Stimuli

• None