Form 4 Science Chapter 6.1

Examples of endoskeleton

• humans

• elephants

• scorpians

• worms

Examples of hydrostatic skeleton

• cockroaches

• fish

• leeches

• planaria

Examples of exoskeleton

• frogs

• cockroaches

• crabs

• planaria

Function of the skeletal system

• protects internal organs

• maintains body weight

• maintains body shape

• supports body weight

Which types of support possessed by invertebrates?

• endoskeleton

• exoskeleton

• hydrostatic skeleton

Exoskeleton is made up of _____ and _____.

• chitin

• calcium

• bone

• iron

Changing of skin is called....?

• ecdysis

• cartilage

• axial

• hollow bone

What is the type of internal support of clams?

• Hydrostatic skeleton

• Endoskeleton

• Exoskeleton

• Exoskeleton and endoskeleton

Endoskeleton made up of ...?

• cartilage

• chitin

• bone

• iron

What is the used by jellyfish for movement?

• muscles

• fluid pressure in the cavity

• joints

• cell turgidity