How do leopards move?

How do snakes move?

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

Another name for a hydroskeleton is a(n)

A hard outer covering is called a(n) ________

Most endoskeletons are made of

What is the type of skeleton in a snake?

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

What is the process marked as X ?

Choose two organisms that are supported by hydrostatic skeleton.

Which characteristics belong to birds?

Synovial fluid acts as a ......................... which reduces friction between the ends of the bones.

Elastic, flexible and strong connective tissue that joints two bones.

The name of muscles in earthworm is _______________.

Two factors that affect the stability of an animal:

How many bones are in an adult human's body?

The spine is made up of 26 _____________________.