ZOOLEC

It provides a rigid structure to which muscles attach.

Three types of skeletal system

Type of movement produced by rhythmic waves of muscle contractions from front to back

Hydrostatic skeleton is the main type of skeleton in most cnidarians, flatworms,

nematodes, and annelids.

• TRUE

• FALSE

a hard encasement deposited on the surface of an

animal • found in most molluscs and arthropods

Arthropods have a jointed exoskeleton called a _______, which can

be both strong and flexible

Consists of a hard internal skeleton, buried

in soft tissue • found in organisms ranging from sponges

to mammals

A mammalian skeleton has more than ___ bones

A living tissue that differs from other connective and supportive tissues by having significant deposits of inorganic calcium salts laid down in an extracellular matrix composed of collagenous fibers in a protein-sugar gel.

2 classification of bone tissue