Seeing
What do you need in order to see?
LIGHT
Sim: When the light was facing the predator, what happened?
The light blinded the predator, or the predator only saw the light.
To stay alive
Survive
What is the function of the pupil
To let light in
Where does the light need to enter in order for the animal to see the object?
The EYE/pupil
The light could not reach to enter the eye.
The animal that is hunted and eaten by other animals
Prey
What is the function of the light receptors
To respond to light
What path does the light need to take in order for us to see?
It needs to go from the light source, to the object, then to the eye.
Mystery Box: What did you see the first time you looked into the Mystery Box? Why?
Nothing, there was no light.
The animal that hunts and eats other animals
Predator
What is the function of the brain?
To process and form the image
What does light carry?
Information about the object?
What type of light receptors does a nocturnal animal have? They are active at night.
Ex: Tarsier
High sensitivity
Variable
What is the function of the optic nerve
To send information to the brain
Light cannot enter the eye.
Draw a path of light.
Label: pupil, light receptors, optic nerve, brain, prey, light source, reflect.
See examples
To cause light to bounce off a material
POP UP!
What is the name of the colored part around the pupil?
Iris