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STARFISH
STARFISH
Echinoderms is the group of animals in which sea urchins, starfish, brittle stars, sea lilies and sea cucumbers are included.
THIS VIDEO SHOWS THE MAIN CHARACTERISTICS ABOUT STARFISH. Answer:
1. Do starfishes swim or walk?
2. What substance is inside the tubes that form the ambulacral system of a starfish?
3. What part of the digestive system of the starfish moves out of the body to digest its prey alive?
4. Can a starfish flip over?
5. Watch this video and answer: Are starfishes herbivore or carnivore?
This is just a curious video about a starfish on the beach. No questions about it.
Another complete view of starfishes
SEA URCHIN
SEA URCHIN
Do sea urchins move along the seabed? Or they always stay on the same spot? Check by watching this video
BRITTLE STARS
BRITTLE STARS
(In Spanish: ofiura)
FEATHER STARS = SEA LILIES
FEATHER STARS = SEA LILIES
Look at this amazing animal
(In Spanish: lirios de mar o crinoideos)
SEA CUCUMBERS
SEA CUCUMBERS
Watch the interesting facts about these echinoderms that are filter feeders
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