Living Systems Lvl 2

What are stimuli in the context of organisms?

• Internal thoughts that organisms have

• External factors or changes in the environment

• The food organisms eat

• The sounds organisms make

What is a response in organisms?

• The way organisms sleep

• The reaction or behavior exhibited by organisms in reaction to stimuli

• The process of finding food

• The way organisms grow

Why do organisms have responses?

• To help them survive

• To make them look bigger

• To change their color

• To help them fly

What is survival in organisms?

• The ability to fly

• The ability to adapt and thrive in their environment

• The ability to swim

• The ability to sleep

Which of the following is NOT involved in survival?

• Physiological adaptations

• Behavioral adaptations

• Morphological adaptations

• Magical powers

What is a stimulus?

• An internal thought

• A type of food

• An external change that an organism reacts to

• A kind of music

Which of the following is an example of a stimulus that might cause a survival response?

• A loud noise

• A soft pillow

• A warm blanket

• A sweet candy

What are some survival stimulus according to the image?

• Water, Light, Temperature, Touch, Sounds, Threats

• Water, Fire, Wind, Earth, Metal

• Light, Darkness, Silence, Noise, Calm

• Temperature, Cold, Heat, Warmth, Chill

What is the process called when plants tilt their flowers and leaves towards the sun to soak up sunlight?

• Photosynthesis

• Heliotropism

• Germination

• Pollination

Why do plants in Alberta's Grasslands tilt towards the sun?

• To avoid the sun

• To soak up as much sunlight as possible

• To hide from animals

• To catch rain