B.S.T/Year 3/Week 3/1st Term/Revision

What kind of animal it is?

• Snake

• Dog

• Hen

• Bird

What is a major difference between a hydrostatic skeleton and an endoskeleton?

• A hydrostatic skeleton is located inside the body and the endoskeleton outside.

• A hydrostatic skeleton is found in worms and an endoskeleton in invertebrates.

• An endoskeleton is located inside of the bodies of vertebrates and are composed of bone, while hydrostatic skeletons are fluid filled skeletons.

• An endoskeleton is the same as hydrostatic skeleton.

Hydrostatic skeletons occur in...

• Flatworms, roundworms, earthworms, starfish and slugs.

• Frogs and snails.

• Insects, cockroaches, scorpions and crabs.

• Snakes and crocodiles.

What are the three main functions of your skeleton?

• Movement, Protection and Sleeping

• Movement, Protection and Support

• Protection, Coordination and Jogging

• Movement, Balance and Running

Which bone is highlighted in the diagram?

• Clavicle

• Scapula

• Humerus

• Patella

Which bone is highlighted in the diagram?

• Clavicle

• Ribs

• Humerus

• Femur

Which bone is highlighted in the diagram?

• Patella

• Pelvis

• Ulna

• Radius

Which bone is highlighted in the diagram?

• Ribs

• Sternum

• Clavicle

• Scapula

This bone is called....

• Femur

• Pelvis

• Skull

• Ribs

This part of skeleton is called....

• Skull

• Pelvis

• Ribs

• Spine