Created by Pablo Jiménez, Mario Navas y Sergio Elsel.
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Transcript of Created by Pablo Jiménez, Mario Navas y Sergio Elsel.
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?