Front

What are external stimuli?

Back

External stimuli are events or conditions that occur outside of an organism and can affect its growth and responses.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

Front

What are internal stimuli?

Back

Internal stimuli are events or conditions that occur inside an organism and can influence its growth and responses.

Tags

NGSS.MS-LS1-5

Front

What is a stimulus?

Back

A stimulus is an event or condition that causes a response in an organism.

Front

What is thigmotropism?

Back

Thigmotropism is a growth response in plants to touch.

Front

What is hydrotropism?

Back

Hydrotropism is a growth response in plants to water.

Front

What is phototropism?

Back

Phototropism is a growth response in plants to light.

Tags

NGSS.MS-LS1-5

Front

What is gravitropism?

Back

Gravitropism is a growth response in plants to gravity.

Front

What is the role of auxins in plant growth?

Back

Auxins are hormones that regulate plant growth by promoting cell elongation and influencing responses to light and gravity.

Front

How do plants respond to light?

Back

Plants respond to light through phototropism, where they grow towards the light source.

Front

What is the difference between positive and negative tropism?

Back

Positive tropism is growth towards a stimulus, while negative tropism is growth away from a stimulus.