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Q: Why are echinoderms considered as a regressive of animals?
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Why do echinoderms considered to be regressive group of animals?

i don't know please don't ask me


What part of the ocean do echinoderms live?

Echinoderms are marine animals, which means they reside in the ocean. Echinoderms are found from the intertidal zone to the abyssal zone.


Why are some taxes considered to be regressive?

A tax is regressive if every member of the society has an equal burden of paying, despite wealth and income levels. The sales tax is considered regressive because everyone, from the wealthiest to the most destitute, pay the same rate.


Do echinoderms live in salt water?

Yes Eventually echinoderms do live in water.


What are echinoderms?

Echinoderms are sea animals that live in salt water. There are five kind of Echinoderms, sea stars, brittle stars, sea cucumbers, sea urchins, and sand dollars. Echinoderms all are invertebrates and have internal skeletons.


What group is a starfish in?

It belongs to Echinoderms.


Where do find echinoderms?

Echinoderms are small aquatic animals only found in salt water. They can be found near the shorelines and shallow waters of the sea.


Which phylum of animals includes the sea star and the sand dollar?

Echinoderms


Are the echinoderms soft-bodied animals?

yes, but only sea cucumber


Are echinoderms heterotrophs or autotrophs?

Echinoderms, like all animals, are heterotrophs and need to eat food to survive.


Why are echinoderms animals?

Echinoderms, such as starfish, have basal nerve ganglia that serve as a nervous system. They also have a water vascular system that acts as a circulatory system. They can reproduce, move, and digest food. Therefore, they are animals.


What the meaning of spiny skin animals?

The Spiny skin sea-animals also known as Echinoderms consist of about 6000 species. They are commonly grouped together as starfish and sea urchins.