Eye Structures
Clue: This part of the eye lets light enter.
What is the cornea?
What are nocturnal animals?
Animals that are active at night are called this.
What is the function of the roots?
This structure absorbs water and nutrients from the soil.
What animal structure helps catch food, climb, or defend themselves?
claws
Why is sense a structure for survival?
This sense allows animals to detect sounds.
This colored part of the eye controls how much light enters.
What is the iris?
Why is light important for animals?
Nocturnal animals often have larger eyes to collect more of this.
What is the function of the stem?
This structure supports the plant and transports water.
What animal structure helps sloths stay warm?
Thick fur helps animals survive by doing this.
Is smell a sense for survival? Why?
This sense helps animals identify odors.
No it is not needed for survival.
This part at the back of the eye receives light and forms images.
What is the retina?
Owls can see well at night because their eyes take in more ____.
Light.
What are the function of leaves?
This structure makes food for the plant using sunlight.
What structure helps nocturnal animals see in the dark?
Their eye- pupil, cornea, and iris
True or False
Foxes using their sense of smell to notice a pretty flower is a structure for survival.
This structure carries messages from the eye to the brain.
What is the optic nerve?
True or False: Nocturnal animals can see in complete darkness.
False.
What provides cactus structures for survival?
Cactus spines are modified leaves that help the plant do this.
What structures help frog fish survive?
Color, expanding mouths, feet, and lure
True or False: Structure for SURVIVAL.
Birds use their sense of sight to determine if a berry is poisonous based on the berry's color.
Put these in order: retina, optic nerve, cornea.
cornea → retina → optic nerve
Explain why large eyes help nocturnal animals survive.
They gather more light, helping animals see and find food or avoid danger at night.
How do thick stems help desert plants survive?
They store water.
Explain how camouflage helps animals survive.
It helps them hide from predators or sneak up on prey.
Nocturnal animals have an acute sense of ______ that helps them to locate their ______.
Sight, Prey