Life Sci. Lesson 1-5

Poll

When you are home, what do you do when your stomach starts making noise?

• Call out for Mom or Dad to bring you food

• Do nothing and wait for the next meal?

• Go to the kitchen to look for food?

Stimulus and Response

● organisms respond to stimulus in

different ways

○ plant moving its leave

○ you have an itch= you scratch it

○ salmon swimming upstream = to

reproduce

Multiple Choice

A change that causes a response is a ...

• behavior

• instinct

• stimulus

• hibernation

Open Ended

A flower slowly turns to face the Sun. What is the stimulus and response for this action?

Behavior

● a behavior an organism is born with is an instinct

(also known as innate behavior)

○ a honeybee does a “dance” when it returns to

the hive OR spiders making webs

Behavior cont.

● other behaviors need to be taught or learned:

○ animals taught what and where to eat

○ animals taught what animals to avoid

○ animals taught how to get to/open food

Animal Behaviors

● seasonal movement of animals= migration

● animals migrate for different reasons

○ find food

○ for warmer weather

○ to reproduce

Animal

Behavior

cont.

● spending winter months “sleeping”=

hibernation

○ animal is not active

○ body temperature lowers

○ heat rate slows

○ animal does not use much energy

Fill in the Blanks

The ways in which living things respond to stimuli is called...

Match

Match the following

• seasonal movement

• an inactive state of an animal

• a change that causes a response

• a way in which living things respond to something

migration

hibernation

stimulus

behavior

• migration

• hibernation

• stimulus

• behavior

Open Ended

Name a stimuli and a response.