Unit 2 Vision and Light Review

Rabbits have very long ears, eyes on both sides of their heads, and very strong back legs. How would long ears help?

• to help them find plants to eat

• to protect them from snow

• to look for a good habitat

• to notice predator sounds

Alligators have sensitive skin. They can sense small changes in vibrations. How do alligators sense prey?

• vibrations must travel all over the body before they can sense prey

• Info. must travel to the brain before the alligator can sense the prey

• Vibrations must travel to the back before they can sense their prey.

• Vibrations must travel to the prey before the alligator can sense the prey.

Tags

NGSS.MS-LS1-8

Elephants sense vibrations. The special cells are in the elephant’s trunk, and feet. How does this help them survive?

• by sending a signal to the elephant if a predator is nearby.

• by sending a signal to the elephant that a female is ready to mate.

• by sending a signal to the elephant to lift something heavy to protect it.

• by sending a signal not to eat something that may be poisonous.

Catfish have small eyes, whiskers and taste buds all over their body. Which could be the most important structure?

• The catfish lives in muddy waters, it must rely on its tail to swim.

• The catfish lives in muddy waters, it must rely on its fins to swim fast.

• The catfish lives in muddy waters, it must rely on its whiskers to dig.

• The catfish lives in muddy waters, it relies on its taste buds to survive.

Some animals hunt at night, while the others hunt during the day. Which of the following claims is accurate?

• The night hunter has low sensitivity light receptors.

• Both have low sensitivity light receptors.

• Both have high sensitivity light receptors.

• The night hunter has high sensitivity light receptors.

Tags

NGSS.MS-LS1-8

A student develops models to show how eyes see objects. Which model best demonstrates the concept?

• Model 1

• Model 2

• Model 3

• All models are accurate

Design an animal that can survive in the conditions below. Choose the body part that will help your animal survive.

• Long neck for reaching

• Wings for flying

• Ears for good hearing

• Big feet for walking

Tags

NGSS.MS-LS2-1

Support your answer from the last question. How will that body part help your animal survive?

• The animal needs to reach berries in tall bushes.

• The animal needs to fly away from predators quickly.

• The animal needs to be able to hear what it cannot see.

• The animal needs to be able to walk around.

Tags

NGSS.MS-LS4-4

NGSS.MS-LS4-2

What does the arrow in Step B represent?

• reflected light from the sun shining on the bush

• reflected light from the animal’s eyes traveling to the bush

• reflected light from the bush shining on the moon

• reflected light from the bush traveling to the animal’s eyes

Tags

NGSS.MS-PS4-2

Your animal has to avoid poisonous food. All berries look, feel, and taste the same. Which would help your animal survive?

• taste buds to taste which ones are poisonous

• special eyes so he can see which berries are poisonous and which are not

• strong sense of smell so he can smell which are poisonous

• sense receptors on the fingers, the animal could feel which are poisonous