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
All the living and nonliving things in an area
Hint: Vocab
Environment
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 pupil
True or False
An animal probably has low sensitivity light receptors if it is active in the day.
True
The animal that is hunted and eaten by other animals
Prey
What does an animal use to remember if prey is good or not good to eat?
their brain or their memory
What is the function of the light receptors
To respond to light and help send information
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
The ability to see
Hint: Vocab
Vision
What is the function of the brain?
To process and form the image
What does light carry?
Information about the object?
How did the predator react to a toxic prey?
Predator closed his mouth.
Animals that are nocturnal have ___________ sensitivity light receptors.
High
What information do you get when you look at a bear?
Color, Hairy, big, etc..
What is the function of the optic nerve
To send information to the brain
Light cannot enter the eye.
Put them in order of how does an animal know what it is looking at.
Label: pupil, light receptors, optic nerve, brain, prey, light source, predator.
Light source, prey, predator, pupil, light receptors, optic nerve, brain.
To cause light to bounce off a material
True or False
A snake relies on its tongue to feel where it is going.
False
A student claims that some light is always needed to see objects. Is the student correct? Why?
The student is correct. No one can see in total darkness.