STIMULUS AND RESPONSE

STIMULUS

• Any change in an organism
• That causes to react.
• EX:
• My mom saw that was rainy outside
• So she brings an umbrella.

RESPONSE

• How the organisms react
• To change in behavior.
• EX:
• Mike study really hard
• So he got his master degree.

STIMULUS TYPES

• External stimulus-
• The sun melt the ice cream.
• My phone rang for 2hrs.

STIMULUS TYPES

• Internal stimulus-
• I was thirsty so I got a drink of water.
• My aunt got a heart attack for eating
• So much food.

PLANTS STIMULUS

• Tropism- growth or turning movement
• Of a biological organism,usually a plant,
• In response to an environmental stimulus.

PHOTOTROPISM

• Phototropism-
• Growth of an organism in
• Response to light
• EX: the cactus have a strong
• Phototropism.

HYDROTROPISM

• Movement or growth
• In response of water.
• EX: the farmer's always put
• Water in their crops to grow.

THERMOTROPISM

• Is the movement or growth
• In response of the temperature.
• EX: jungle trees are able to
• Grow only in the jungle, by the
• Humidity.