TCI Unit 1 Lesson 6 Science

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

• skeleton

• exoskeleton

• bone

• feather

Tags

NGSS.MS-LS4-2

A type of skeleton on the outside of some animals' bodies. It is a hard cover. Many invertebrates, like insects, have this type of skeleton.

• joint

• fin

• feather

• exoskeleton

A lightweight, flat structure that forms an outside covering of a bird's body.

• fin

• feather

• joint

• muscle

A flattened structure on the body of a fish that helps the fish move, steer, and balance.

• feather

• scale

• skeleton

• fin

A place where two or more bones come together.

• joint

• muscle

• skeleton

• bone

A structure that contracts and relaxes to produce movement.

• muscle

• fin

• scale

• feather

A flattened still plate that forms an outer covering on a fish or reptile.

• muscle

• fin

• scale

• feather

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

• joint

• bone

• skeleton

• feather