Role of Animals' Eyes Review

Most predators have eyes on the _____ of their heads.

Look at the photo again, and use what you have learned to explain the role of animals’ eyes.

Answer explanation

Animals eyes capture the light that reflected off of objects. When the light enters the eyes, the parts work together and help the animals to see objects. Animals can have front-facing eyes, sideway-facing eyes and top of their head. The position of the eyes can have advantages and disadvantages.

Explain how cataracts can have a negative effect on the role of animal eyes.

Answer explanation

If an animal cannot see well because of cataracts, the animal may not be able to find food as easily. It can also put the animal in harm's way if it can't see a predator in time.

Which structure is at the back of the human eye where light through the lens is focused?

• cornea

• pupil

• retina

• rod

A ______ lens is thinner in the middle and always makes objects look smaller.

• concave

• convex

• translucent

• opaque

The magnifying glass is a ____lens that causes the image to appear bigger up close.

Why is Maria able to see more objects in a dark room when a light shines through a clear plastic bag than when a light shines through a brown paper bag?

• More light is reflected into Maria's eyes when it shines through the clear plastic bag.

• More light is scattered into Maria's eyes when it shines through the clear plastic bag.

• More light is refracted into Maria's eyes when it shines through the clear plastic bag.

• More light is transferred into Maria's eyes when it shines through the clear plastic bag.

Tags

NGSS.MS-PS4-2

Light enters the eye through the____ . The____ sends signals to the brain to be interpreted as images.

Farrah injured one of her eyes while playing in a sand box. Since her injury, her vision is very blurry. Which statement possibly explains why the blurriness is occurring?

• Her eye is not focusing light properly.

• Her eye is absorbing too much light.

• Her eye is reflecting too much light.

• Her eye is blocking some light.

Tags

NGSS.MS-PS4-2

Nocturnal animals can see better at night because their____ is dilated and allows more light to reach the back of the eye.

Tags

NGSS.MS-LS4-4