How do horses move?

• gallop

• swing

How do leopards move?

• swim

• leap

How do snakes move?

• hop

• glide

A(n) _______ is a fluid-filled cavity that is surrounded by muscle tissue

• hydrostatic skeleton

• endoskeleton

• exoskeleton

Another name for a hydroskeleton is a(n)

• endoskeleton

• exoskeleton

• coelom

A hard outer covering is called a(n) ________

• endoskeleton

• exoskeleton

• hydrostatic skeleton

Most endoskeletons are made of

• cartilage

• fluid

• bone

What is the type of skeleton in a snake?

• Endoskeleton

• Exoskeleton

• Hydrostatic skeleton

The growth curve of all organisms basically is .................... in shape.

• rectangle

• sigmoid

• circle

What is the process marked as X ?

• Growth

• Expansion

• Ecdysis