Created by

Pablo Jiménez, Mario Navas ySergio Elsel

CHARACTERISTICS

• INVERTEBRATES• COVERED WITH SPIKES• RESPIRATORY SYSTEM• SKELETON

FIVE TYPES OF ECHINODERMS

AsteroideaOphiuroideaEchinoideaHolothuroideaCrinoidea

ASTEROIDEA

OPHIUROIDEA

ECHINOIDEA

HOLOTHUROIDEA

CRINOIDEA

WHERE DO THEY LIVE?

THEY LIVE IN THE OCEAN.

HOW DO THEY MOVE AROUND?

They roam around the ocean with

small feet located at the bottom of their

body

HOW DO THEY EAT?

They feed through their mouth located at

the bottom of their body.

Some eat clams and other microscopic

organisms.

HOW DO THEY REPRODUCE?

They reproduce sexually by external fertilization.

Some starfish can reproduce asexually. The star is broken into several pieces,

and each of these pieces into the missing parts.

PARTS OF THE BODY

HOW DO THEY DEFEND THEMSELVES?

Regeneration is a defense mechanism they use. The spines also serve as a

defense.

HOW DO ECHINODERMS BREATHE?Breathing takes

place through small gills which

project to the outside.

They have a unique water-

vascular system ending in tube

feet.

CURIOSITIES

•Head• Skin•Skeleton

•They are the only animals capable of making sea water to circulate through their body.

THE END

ANY QUESTIONS?