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STARFISH ARE ECHINODERMS
Starfish are smooth
Colours can be bright or neutral
Colours will change depending on where they live
Starfish have five equal segments
SEA URCHINS ARE ALSO ECHINODERMS, THEY LOOK LIKE:
Very spiky
The spikes protect them from predators
Have a hard shell
Can be purple, red, yellow, orange and brown
WHAT DO ECHINODERMS EAT?
Algae
Dead fish
Barnacles
Plant
Sponges
They are also Carnivores (which means they eat meat)
Here is of a picture with some algae:
ECHINODERMS HABITAT
Echinoderms live in the sea & have different habitats
They may live in tropical reefs or deep sea trenches
Starfish stick on rocks
Sea Urchins live on the floor of the ocean
INTERESTING FACTS ABOUT ECHINODERMS
They are invertebrate because they do not have a backbone
Only come out at night time, which means they are nocturnal
Echinoderms can regrow missing tentacles