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Apparently They Do So From Their Eyes, That's Nasty Right?!
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∙ 9y ago
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What is the difference between sand dollars and sea urchins?
The structural deference between them is that Sea urchins are more globular whereas sand dollars are flattened. Unlike sea urchins, the sand dollars burrow themselves when threatened. Sand dollars have anus opening at their back side whereas the sea urchins have it at the top.
What is the common namre of echinodermata?
sea stars, sea urchins, sand dollars, and sea cucumbers.
Are sand dollars a type of sea urchint?
Yes they are. They are flattened burrowing sea urchins.
What animals are similar to the sand dollar?
Star fishes and sea urchins are similar to sand dollars.
Are Sea Urchins mollusks?
No - sea urchins are part of the echinoderm phylum, with sand dollars, starfish and sea cucumbers.
Two echinoderms that are in the same class are?
Sea urchins and sand dollars.
Are sand dollars mammals?
No. They are invertebrates related to starfish and sea urchins.
What types of organisms are in the phylum echinodermata?
Starfish, sea urchins, sea cucumbers, and sand dollars.
What creatures are echinoderms?
Echinoderms include sea stars, sand dollars, sea cucumbers, sea urchins, etc.
What is key characteristic of sea urchins and sand dollars?
They both or found in the ocean
What is Echinoderma?
Echinoderma are a phylum of "spiky skin" sea life, such as starfish, sea urchins, and sand dollars.
How does the sand dolllars eat?
Sand Dollars are the carcasses of dead sea urchins, and when alive, they eat though a mouth.
