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They have fivefold radial symmetry, a calcareous skeleton, and tube feet operated by fluid pressure.
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Ecological relationship of echinoderms to other organisms?
echinoderms
Is an echidna an invertebrate?
No. All echidnas are mammals, and all mammals are vertebrates. Echidnas are different from "echinoderms".
How do echinoderms use their endoskeleton like an exoskeleton?
Echinoderms, such as sea stars and sea urchins, have an endoskeleton made of hard plates called ossicles that lie inside their bodies. Although this endoskeleton is internal, it functions similarly to an exoskeleton by providing support and protection. It allows echinoderms to control their body shape and movement, just like an exoskeleton does for other invertebrates.
Are crabs echinoderms?
yes crabs are echinoderms because they have spiny skin
Do protists have tube feet?
No , these are present in echinoderms .
What are some characteristics of echinoderms?
they are in the shape of a star
In what environment do all echinoderms live?
Echinoderms live only in the sea.
Do Echinoderms have backbone?
No not all Echinoderms have backbones like the starfish
Do echinoderms live in salt water?
Yes Eventually echinoderms do live in water.
Is radial symmetry common in echinoderms?
Yes, all echinoderms have radial symmetry.
Are hermit crab echinoderms?
no, a lobster is a crustacean, not an echinoderm
Do all echinoderms have a radula?
Some do but not all.
What phylum has all members that live in the ocean?
echinoderms
What do seastar look like?
Sea Stars and starfish, one in the same, are echinoderms. There are over 1500 varieties, but they all share the five point 'star' shape which consists of a central disc with five arms.
What kingdom are echinoderms in?
Echinoderms are in the Animalia kingdom.
What is the scientific name for Echinoderms?
The scientific name for Echinoderms is Echinodermata.
What are the distinguishhing characteristicof echinoderms?
Echinoderm literally means "spiny skin." Echinoderms are invertebrates that are generally found in the ocean. They have exoskeletons and spines or needle-like protrusions all over them. Common echinoderms are: Starfish, sea urchins and sand dollars.
