TCI Unit 1 Lesson 6 Review

A fish needs fins to...

• protect the fish from predators

• move, steer, and balance

• stay still or turn around

• glide smoothly through the water

Animals without bones have ________________ which helps protect the soft insides.

• an exoskeleton

• feathers

• a skeleton

• fins

All of the bones or other structures that provide support to an animal's body is called the _______________.

• skeleton

• muscles

• joint

• scale

Tags

NGSS.MS-LS4-2

A hard structure that is part of an animal's internal skeleton is called a _____________.

• scale

• muscle

• cartilage

• bone

Which of the following is an example of a muscle that is not attached to a bone?

• heart muscles

• arm muscle

• neck muscle

• all of the above

________ contracts and relaxes to produce movement.

• A joint

• A muscle

• A bone

• Cartilage

Which of the following does the skeleton not do?

• move an animal’s body

• protects soft parts inside an animal

• provides support to an animal’s body

• allow different types of movement

________ is a strong and flexible material found in a skeleton.

• Bone

• Joint

• Cartilage

• Exoskeleton

The pictures show two kinds of skeletons. How are the bones that make up each skeleton different? Use evidence from the pictures.

• The bones of skeleton X are hollow and more flexible than the bones of skeleton Y.

• The bones of skeleton X are harder and stronger than the bones of skeleton Y.

• The bones of skeleton X provide more protection than the bones of skeleton Y.

• The bones of skeleton X provide more support than the bones of skeleton Y.

Tags

NGSS.MS-LS4-2

Skylar visits the doctor. The doctor takes a picture called an x-ray. The x-ray allows the doctor to see structures inside Skylar’s arm.

What is the name and function of the structure shown by the arrow?

• It is a bone that provides support.

• It is a muscle used for circular movement.

• It is a joint used for back and forth movement.

• It is cartilage that provides support for soft structures